{"title":"Tank Pressure Switches","description":"  ","products":[{"product_id":"aquatec-psw-series-shut-off-tank-pressure-switch","title":"Aquatec - PSW Series Shut Off Tank Pressure Switch","description":"\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 65%),radial-gradient(ellipse 40% 40% at 5% 80%,rgba(255,255,255,.05) 0%,transparent 60%);pointer-events:none;}\n  .ro-wrap .ro-eyebrow{font-size:13px !important;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--aqua);margin-bottom:12px;}\n  .ro-wrap .ro-hero h2{font-family:'DM Serif Display',serif;font-size:clamp(26px,4vw,40px) !important;line-height:1.15;font-weight:400;margin-bottom:16px;color:var(--white);}\n  .ro-wrap .ro-hero h2 em{font-style:italic;color:var(--aqua);}\n  .ro-wrap .ro-tagline{font-size:18px !important;color:rgba(255,255,255,.75);font-weight:300;margin-bottom:28px;}\n  .ro-wrap .ro-badges{display:flex;flex-wrap:wrap;gap:10px;}\n  .ro-wrap .ro-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:var(--white);font-size:15px !important;font-weight:500;padding:6px 14px;border-radius:40px;backdrop-filter:blur(6px);}\n  .ro-wrap .ro-callout{background:var(--offwhite);border-left:4px solid var(--sky);padding:20px 24px;}\n  .ro-wrap .ro-callout p{font-size:18px !important;color:var(--text);line-height:1.7;margin:0;}\n  .ro-wrap .ro-callout strong{color:var(--ocean);}\n  .ro-wrap .ro-section{padding:36px 40px;border-bottom:1px solid var(--slate);}\n  .ro-wrap .ro-label{font-size:13px !important;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--sky);margin-bottom:8px;}\n  .ro-wrap .ro-title{font-family:'DM Serif Display',serif;font-size:24px !important;color:var(--deep);margin-bottom:20px;font-weight:400;}\n  .ro-wrap .stage-pipeline{display:flex;flex-direction:column;gap:0;margin-top:4px;}\n  .ro-wrap .stage-row{display:flex;flex-direction:row;gap:12px;position:relative;min-width:0;align-items:flex-start;width:100%;box-sizing:border-box;}\n  .ro-wrap .stage-row:not(:last-child) .stage-line{position:absolute;left:17px;top:40px;bottom:0;width:2px;background:var(--slate);}\n  .ro-wrap .stage-num{width:36px;height:36px;min-width:36px;max-width:36px;border-radius:50%;background:linear-gradient(135deg,var(--ocean),var(--sky));color:white;display:flex;align-items:center;justify-content:center;font-size:16px !important;font-weight:700;flex:0 0 36px;position:relative;z-index:1;margin-top:16px;}\n  .ro-wrap .stage-body{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px;flex:1 1 0;min-width:0;overflow:hidden;overflow-wrap:break-word;word-break:break-word;box-sizing:border-box;}\n  .ro-wrap .stage-body h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:8px;margin-top:6px;}\n  .ro-wrap .stage-tag{display:block;font-size:12px !important;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--slate);color:var(--ocean);padding:3px 8px;border-radius:4px;margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;line-height:1.5 !important;box-sizing:border-box;}\n  .ro-wrap .stage-body p{font-size:18px !important;color:var(--muted);line-height:1.6;margin:0;display:block;}\n  .ro-wrap .stage-body .stage-part{font-size:15px !important;color:var(--sky);margin-top:6px;font-weight:500;}\n  .ro-wrap .specs-table{width:100%;border-collapse:collapse;font-size:18px !important;}\n  .ro-wrap .specs-table tr{border-bottom:1px solid var(--slate);}\n  .ro-wrap .specs-table tr:last-child{border-bottom:none;}\n  .ro-wrap .specs-table td{padding:11px 6px;vertical-align:top;}\n  .ro-wrap .specs-table td:first-child{font-weight:500;color:var(--deep);width:44%;padding-right:16px;}\n  .ro-wrap .specs-table td:last-child{color:var(--muted);}\n  .ro-wrap .specs-table tr:hover td{background:var(--offwhite);}\n  .ro-wrap .conditions-table{width:100%;border-collapse:collapse;font-size:18px !important;margin-top:4px;}\n  .ro-wrap .conditions-table th{background:var(--deep);color:var(--white);font-size:15px !important;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:10px 12px;text-align:left;}\n  .ro-wrap .conditions-table th:first-child{border-radius:var(--radius) 0 0 0;}\n  .ro-wrap .conditions-table th:last-child{border-radius:0 var(--radius) 0 0;}\n  .ro-wrap .conditions-table td{padding:10px 12px;border-bottom:1px solid var(--slate);color:var(--text);}\n  .ro-wrap .conditions-table tr:nth-child(even) td{background:var(--offwhite);}\n  .ro-wrap .ro-feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .ro-feature-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:20px 18px;}\n  .ro-wrap .ro-feat-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--ocean),var(--sky));border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}\n  .ro-wrap .ro-feature-card h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 20px;margin-top:20px;box-sizing:border-box;width:100% !important;}\n  .ro-wrap .pro-tip-icon{font-size:22px !important;display:inline;margin-right:8px;line-height:1.6 !important;}\n  .ro-wrap .pro-tip p{font-size:18px !important;color:#5a4500;line-height:1.6 !important;margin:0;display:block;width:100%;}\n  .ro-wrap .pro-tip strong{color:#3d2e00;}\n  .ro-wrap .install-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:14px;}\n  .ro-wrap .install-steps li{counter-increment:step;display:flex;align-items:flex-start;gap:14px;font-size:18px !important;color:var(--text);}\n  .ro-wrap .install-steps li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap .filter-schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .schedule-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .schedule-card .interval{font-size:22px !important;font-family:'DM Serif Display',serif;color:var(--sky);font-weight:400;margin-bottom:4px;}\n  .ro-wrap .schedule-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .schedule-card p{font-size:15px !important;color:var(--muted);margin:0;line-height:1.45;}\n  .ro-wrap .benefits-strip{display:flex;flex-wrap:wrap;background:var(--deep);color:var(--white);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-hero\"\u003e\n\u003cdiv class=\"ro-eyebrow\"\u003eAquatec PSW Series\u003c\/div\u003e\n\u003ch2\u003eTank Pressure Shut-Off Switch for RO Booster Pumps\u003c\/h2\u003e\n\u003cp class=\"ro-tagline\"\u003eAutomatic pressure sensing control that cuts power to your booster pump when the storage tank reaches capacity\u003c\/p\u003e\n\u003cdiv class=\"ro-badges\"\u003e\n\u003cspan class=\"ro-badge\"\u003eFactory Pre-Set Pressure\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e100% Tested\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003e20 \/ 40 \/ 60 \/ 80 PSI Models\u003c\/span\u003e\n\u003cspan class=\"ro-badge\"\u003eShurflo Compatible\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\n\u003cp\u003eThe Aquatec PSW is an in-line electrical switch that monitors back pressure from your hydropneumatic storage tank and automatically shuts off power to your booster pump when the tank is full. Available in 1\/4\" and 3\/8\" quick-connect configurations across four pressure settings — mount it as close to the tank as possible for accurate pressure sensing and reliable system control.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eMODELS \u0026amp; SPECIFICATIONS\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eAvailable Models and Pressure Settings\u003c\/h3\u003e\n\u003ctable class=\"specs-table\" style=\"table-layout:fixed;width:100%;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width:18%\"\u003e\n\u003ccol style=\"width:22%\"\u003e\n\u003ccol style=\"width:16%\"\u003e\n\u003ccol style=\"width:44%\"\u003e\n\u003c\/colgroup\u003e\n\u003ctr style=\"background:var(--deep)\"\u003e\n\u003ctd style=\"color:var(--white);font-weight:700;padding:10px 8px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"color:var(--white);font-weight:700;padding:10px 8px;\"\u003eTubing Size\u003c\/td\u003e\n\u003ctd style=\"color:var(--white);font-weight:700;padding:10px 8px;\"\u003ePressure\u003c\/td\u003e\n\u003ctd style=\"color:var(--white);font-weight:700;padding:10px 8px;\"\u003eUse Case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePSW220-00\u003c\/td\u003e\n\u003ctd\u003e1\/4\" Quick Connect\u003c\/td\u003e\n\u003ctd\u003e20 PSI\u003c\/td\u003e\n\u003ctd\u003eLow-pressure tank systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePSW240-00\u003c\/td\u003e\n\u003ctd\u003e1\/4\" Quick Connect\u003c\/td\u003e\n\u003ctd\u003e40 PSI\u003c\/td\u003e\n\u003ctd\u003eStandard RO with hydropneumatic shut-off — replaces Shurflo 94-090-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePSW340-00\u003c\/td\u003e\n\u003ctd\u003e3\/8\" Quick Connect\u003c\/td\u003e\n\u003ctd\u003e40 PSI\u003c\/td\u003e\n\u003ctd\u003eStandard RO, 3\/8\" tubing — replaces Shurflo 94-090-02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePSW260-00\u003c\/td\u003e\n\u003ctd\u003e1\/4\" Quick Connect\u003c\/td\u003e\n\u003ctd\u003e60 PSI\u003c\/td\u003e\n\u003ctd\u003eHigher-pressure residential and light commercial systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePSW360-00\u003c\/td\u003e\n\u003ctd\u003e3\/8\" Quick Connect\u003c\/td\u003e\n\u003ctd\u003e60 PSI\u003c\/td\u003e\n\u003ctd\u003eHigher-pressure systems with 3\/8\" tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePSW280-00\u003c\/td\u003e\n\u003ctd\u003e1\/4\" Quick Connect\u003c\/td\u003e\n\u003ctd\u003e80 PSI\u003c\/td\u003e\n\u003ctd\u003eHigh-pressure booster applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePSW380-00\u003c\/td\u003e\n\u003ctd\u003e3\/8\" Quick Connect\u003c\/td\u003e\n\u003ctd\u003e80 PSI\u003c\/td\u003e\n\u003ctd\u003eHigh-pressure applications with 3\/8\" tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eINSTALLATION\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eProper Setup for Reverse Osmosis Systems\u003c\/h3\u003e\n\u003cp\u003eInstall the PSW switch in-line on the product water line between the booster pump and storage tank, positioning it as close to the tank as possible for accurate pressure readings. The normally closed electrical contact opens when the preset pressure is reached, cutting power to the pump motor. For standard residential RO systems with a hydropneumatic shut-off valve, use the 40 PSI model (PSW240-00 or PSW340-00). Higher or lower pressure ratings will prevent proper system shut-off — match the switch pressure to your tank's operating pressure.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch3 class=\"ro-title\"\u003eWorks With These Systems\u003c\/h3\u003e\n\u003cp\u003eCompatible with Aquatec and Shurflo booster pumps on residential and light commercial reverse osmosis systems. Choose 1\/4\" models (PSW220, PSW240, PSW260, PSW280) for standard RO tubing or 3\/8\" models (PSW340, PSW360, PSW380) for larger-diameter plumbing. The PSW240-00 directly replaces Shurflo 94-090-01 and the PSW340-00 replaces Shurflo 94-090-02. All models feature compact design for easy integration into existing installations and are factory pre-set and 100% tested before shipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Aquatec","offers":[{"title":"20 PSI \/ 1\/4\" OD","offer_id":40583334559915,"sku":"PSW220-00","price":22.62,"currency_code":"USD","in_stock":true},{"title":"40 PSI \/ 1\/4\" OD","offer_id":40583334658219,"sku":"PSW240-00","price":22.62,"currency_code":"USD","in_stock":true},{"title":"40 PSI \/ 3\/8\" OD","offer_id":40583334690987,"sku":"PSW340-00","price":22.62,"currency_code":"USD","in_stock":true},{"title":"60 PSI \/ 1\/4\" OD","offer_id":40583334723755,"sku":"PSW260-00","price":31.01,"currency_code":"USD","in_stock":true},{"title":"60 PSI \/ 3\/8\" OD","offer_id":40583334756523,"sku":"PSW360-00","price":22.62,"currency_code":"USD","in_stock":true},{"title":"80 PSI \/ 1\/4\" OD","offer_id":40583334789291,"sku":"PSW280-00","price":22.64,"currency_code":"USD","in_stock":true},{"title":"80 PSI \/ 3\/8\" OD","offer_id":40583334822059,"sku":"PSW380-00","price":22.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/product-5536866238626-padded.jpg?v=1777248219"},{"product_id":"shurflo-tso-shut-off-tank-pressure-switch","title":"Shurflo - TSO Shut Off Tank Pressure Switch","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 65%),radial-gradient(ellipse 40% 40% at 5% 80%,rgba(255,255,255,.05) 0%,transparent 60%);pointer-events:none;}\n  .ro-wrap .ro-eyebrow{font-size:13px !important;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--aqua);margin-bottom:12px;}\n  .ro-wrap .ro-hero h2{font-family:'DM Serif Display',serif;font-size:clamp(26px,4vw,40px) !important;line-height:1.15;font-weight:400;margin-bottom:16px;color:var(--white);}\n  .ro-wrap .ro-hero h2 em{font-style:italic;color:var(--aqua);}\n  .ro-wrap .ro-tagline{font-size:18px !important;color:rgba(255,255,255,.75);font-weight:300;margin-bottom:28px;}\n  .ro-wrap .ro-badges{display:flex;flex-wrap:wrap;gap:10px;}\n  .ro-wrap .ro-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:var(--white);font-size:15px !important;font-weight:500;padding:6px 14px;border-radius:40px;backdrop-filter:blur(6px);}\n  .ro-wrap .ro-callout{background:var(--offwhite);border-left:4px solid var(--sky);padding:20px 24px;}\n  .ro-wrap .ro-callout p{font-size:18px !important;color:var(--text);line-height:1.7;margin:0;}\n  .ro-wrap .ro-callout strong{color:var(--ocean);}\n  .ro-wrap .ro-section{padding:36px 40px;border-bottom:1px solid var(--slate);}\n  .ro-wrap .ro-label{font-size:13px !important;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--sky);margin-bottom:8px;}\n  .ro-wrap .ro-title{font-family:'DM Serif Display',serif;font-size:24px !important;color:var(--deep);margin-bottom:20px;font-weight:400;}\n  .ro-wrap .stage-pipeline{display:flex;flex-direction:column;gap:0;margin-top:4px;}\n  .ro-wrap .stage-row{display:flex;flex-direction:row;gap:12px;position:relative;min-width:0;align-items:flex-start;width:100%;box-sizing:border-box;}\n  .ro-wrap .stage-row:not(:last-child) .stage-line{position:absolute;left:17px;top:40px;bottom:0;width:2px;background:var(--slate);}\n  .ro-wrap .stage-num{width:36px;height:36px;min-width:36px;max-width:36px;border-radius:50%;background:linear-gradient(135deg,var(--ocean),var(--sky));color:white;display:flex;align-items:center;justify-content:center;font-size:16px !important;font-weight:700;flex:0 0 36px;position:relative;z-index:1;margin-top:16px;}\n  .ro-wrap .stage-body{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px;flex:1 1 0;min-width:0;overflow:hidden;overflow-wrap:break-word;word-break:break-word;box-sizing:border-box;}\n  .ro-wrap .stage-body h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:8px;margin-top:6px;}\n  .ro-wrap .stage-tag{display:block;font-size:12px !important;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--slate);color:var(--ocean);padding:3px 8px;border-radius:4px;margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;line-height:1.5 !important;box-sizing:border-box;}\n  .ro-wrap .stage-body p{font-size:18px !important;color:var(--muted);line-height:1.6;margin:0;display:block;}\n  .ro-wrap .stage-body .stage-part{font-size:15px !important;color:var(--sky);margin-top:6px;font-weight:500;}\n  .ro-wrap .specs-table{width:100%;border-collapse:collapse;font-size:18px !important;}\n  .ro-wrap .specs-table tr{border-bottom:1px solid var(--slate);}\n  .ro-wrap .specs-table tr:last-child{border-bottom:none;}\n  .ro-wrap .specs-table td{padding:11px 6px;vertical-align:top;}\n  .ro-wrap .specs-table td:first-child{font-weight:500;color:var(--deep);width:44%;padding-right:16px;}\n  .ro-wrap .specs-table td:last-child{color:var(--muted);}\n  .ro-wrap .specs-table tr:hover td{background:var(--offwhite);}\n  .ro-wrap .conditions-table{width:100%;border-collapse:collapse;font-size:18px !important;margin-top:4px;}\n  .ro-wrap .conditions-table th{background:var(--deep);color:var(--white);font-size:15px !important;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:10px 12px;text-align:left;}\n  .ro-wrap .conditions-table th:first-child{border-radius:var(--radius) 0 0 0;}\n  .ro-wrap .conditions-table th:last-child{border-radius:0 var(--radius) 0 0;}\n  .ro-wrap .conditions-table td{padding:10px 12px;border-bottom:1px solid var(--slate);color:var(--text);}\n  .ro-wrap .conditions-table tr:nth-child(even) td{background:var(--offwhite);}\n  .ro-wrap .ro-feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .ro-feature-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:20px 18px;}\n  .ro-wrap .ro-feat-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--ocean),var(--sky));border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}\n  .ro-wrap .ro-feature-card h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 20px;margin-top:20px;box-sizing:border-box;width:100% !important;}\n  .ro-wrap .pro-tip-icon{font-size:22px !important;display:inline;margin-right:8px;line-height:1.6 !important;}\n  .ro-wrap .pro-tip p{font-size:18px !important;color:#5a4500;line-height:1.6 !important;margin:0;display:block;width:100%;}\n  .ro-wrap .pro-tip strong{color:#3d2e00;}\n  .ro-wrap .install-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:14px;}\n  .ro-wrap .install-steps li{counter-increment:step;display:flex;align-items:flex-start;gap:14px;font-size:18px !important;color:var(--text);}\n  .ro-wrap .install-steps li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap .filter-schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .schedule-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .schedule-card .interval{font-size:22px !important;font-family:'DM Serif Display',serif;color:var(--sky);font-weight:400;margin-bottom:4px;}\n  .ro-wrap .schedule-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .schedule-card p{font-size:15px !important;color:var(--muted);margin:0;line-height:1.45;}\n  .ro-wrap .benefits-strip{display:flex;flex-wrap:wrap;background:var(--deep);color:var(--white);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Shurflo TSO Shut Off Tank Pressure Switch automatically controls your water delivery pump by monitoring holding tank pressure, preventing overfilling and unnecessary pump cycling. Factory preset to activate at 25 PSI and shut off at 60 PSI, this switch installs on the tank inlet side with an included 2-foot wiring harness for quick integration with Shurflo pumps and transformers.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eTechnical Details\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eShurflo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch Type\u003c\/td\u003e\n\u003ctd\u003eTank Pressure Activated Shut-Off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTurn-On Pressure\u003c\/td\u003e\n\u003ctd\u003e25 PSI (factory preset)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShut-Off Pressure\u003c\/td\u003e\n\u003ctd\u003e60 PSI (factory preset)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Harness Length\u003c\/td\u003e\n\u003ctd\u003e2 feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Location\u003c\/td\u003e\n\u003ctd\u003eInlet side of holding tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eAutomatic pump on\/off control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eProduct water tank pressure monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eINSTALLATION \u0026amp; USE\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eSetup Instructions\u003c\/h2\u003e\n\u003col class=\"install-steps\"\u003e\n\u003cli\u003eMount the TSO pressure switch on the inlet side of your holding tank where it can accurately sense tank pressure.\u003c\/li\u003e\n\u003cli\u003eConnect the 2-foot wiring harness between the pressure switch, your Shurflo pump, and the transformer following manufacturer wiring diagrams.\u003c\/li\u003e\n\u003cli\u003eVerify all electrical connections are secure and waterproof before powering the system.\u003c\/li\u003e\n\u003cli\u003eTest operation by running the pump and confirming it shuts off automatically when tank pressure reaches 60 PSI.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eSystem Requirements\u003c\/h2\u003e\n\u003cp\u003eThis Shurflo TSO pressure switch is designed for use with Shurflo electric water delivery pumps in potable water holding tank applications. The switch works in conjunction with 12V DC pump systems commonly found in RVs, marine vessels, and off-grid water systems. Ensure your holding tank and pump system are rated for the 25-60 PSI operating range before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n🔧 Mount the pressure switch in a location where you can easily access it for periodic testing, and always install a check valve between the pump and tank to prevent backflow that could damage the switch or cause false pressure readings.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Shurflo","offers":[{"title":"1\/4\" NPT","offer_id":40584007581867,"sku":"94-090-00","price":31.07,"currency_code":"USD","in_stock":true},{"title":"1\/4\" OD Quick Connect","offer_id":40584007614635,"sku":"94-090-01","price":74.88,"currency_code":"USD","in_stock":true},{"title":"3\/8\" OD Quick Connect","offer_id":40584007647403,"sku":"94-090-02","price":52.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/shurflo-tso-shut-off-tank-pressure-switch-479144.jpg?v=1759500580"},{"product_id":"shurflo-low-pressure-shut-off-switch-1-4-push-fitting-wiring","title":"Shurflo - Low Pressure Shut Off Switch 1\/4\" Push Fitting \u0026 Wiring","description":"\n\u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Serif+Display:ital@0;1\u0026amp;family=DM+Sans:wght@300;400;500;600\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n\u003cstyle\u003e\n  .ro-wrap {\n    --deep:#0a1628;--ocean:#0f3460;--blue:#1565c0;--sky:#2196f3;--aqua:#4dd0e1;\n    --white:#ffffff;--offwhite:#f2f7fc;--slate:#dce8f5;--text:#0d1f38;--muted:#4a6280;\n    --gold:#f59e0b;--radius:12px;\n    font-family:'DM Sans',sans-serif;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-wrap:break-word;word-break:break-word;min-width:0;\n  }\n  .ro-wrap .ro-hero{background:linear-gradient(135deg,var(--deep) 0%,var(--ocean) 50%,#1a5276 100%);color:var(--white);padding:52px 40px 44px;position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}\n  .ro-wrap .ro-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 95% 45%,rgba(77,208,225,.15) 0%,transparent 65%),radial-gradient(ellipse 40% 40% at 5% 80%,rgba(255,255,255,.05) 0%,transparent 60%);pointer-events:none;}\n  .ro-wrap .ro-eyebrow{font-size:13px !important;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--aqua);margin-bottom:12px;}\n  .ro-wrap .ro-hero h2{font-family:'DM Serif Display',serif;font-size:clamp(26px,4vw,40px) !important;line-height:1.15;font-weight:400;margin-bottom:16px;color:var(--white);}\n  .ro-wrap .ro-hero h2 em{font-style:italic;color:var(--aqua);}\n  .ro-wrap .ro-tagline{font-size:18px !important;color:rgba(255,255,255,.75);font-weight:300;margin-bottom:28px;}\n  .ro-wrap .ro-badges{display:flex;flex-wrap:wrap;gap:10px;}\n  .ro-wrap .ro-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:var(--white);font-size:15px !important;font-weight:500;padding:6px 14px;border-radius:40px;backdrop-filter:blur(6px);}\n  .ro-wrap .ro-callout{background:var(--offwhite);border-left:4px solid var(--sky);padding:20px 24px;}\n  .ro-wrap .ro-callout p{font-size:18px !important;color:var(--text);line-height:1.7;margin:0;}\n  .ro-wrap .ro-callout strong{color:var(--ocean);}\n  .ro-wrap .ro-section{padding:36px 40px;border-bottom:1px solid var(--slate);}\n  .ro-wrap .ro-label{font-size:13px !important;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--sky);margin-bottom:8px;}\n  .ro-wrap .ro-title{font-family:'DM Serif Display',serif;font-size:24px !important;color:var(--deep);margin-bottom:20px;font-weight:400;}\n  .ro-wrap .stage-pipeline{display:flex;flex-direction:column;gap:0;margin-top:4px;}\n  .ro-wrap .stage-row{display:flex;flex-direction:row;gap:12px;position:relative;min-width:0;align-items:flex-start;width:100%;box-sizing:border-box;}\n  .ro-wrap .stage-row:not(:last-child) .stage-line{position:absolute;left:17px;top:40px;bottom:0;width:2px;background:var(--slate);}\n  .ro-wrap .stage-num{width:36px;height:36px;min-width:36px;max-width:36px;border-radius:50%;background:linear-gradient(135deg,var(--ocean),var(--sky));color:white;display:flex;align-items:center;justify-content:center;font-size:16px !important;font-weight:700;flex:0 0 36px;position:relative;z-index:1;margin-top:16px;}\n  .ro-wrap .stage-body{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px;flex:1 1 0;min-width:0;overflow:hidden;overflow-wrap:break-word;word-break:break-word;box-sizing:border-box;}\n  .ro-wrap .stage-body h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:8px;margin-top:6px;}\n  .ro-wrap .stage-tag{display:block;font-size:12px !important;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--slate);color:var(--ocean);padding:3px 8px;border-radius:4px;margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;line-height:1.5 !important;box-sizing:border-box;}\n  .ro-wrap .stage-body p{font-size:18px !important;color:var(--muted);line-height:1.6;margin:0;display:block;}\n  .ro-wrap .stage-body .stage-part{font-size:15px !important;color:var(--sky);margin-top:6px;font-weight:500;}\n  .ro-wrap .specs-table{width:100%;border-collapse:collapse;font-size:18px !important;}\n  .ro-wrap .specs-table tr{border-bottom:1px solid var(--slate);}\n  .ro-wrap .specs-table tr:last-child{border-bottom:none;}\n  .ro-wrap .specs-table td{padding:11px 6px;vertical-align:top;}\n  .ro-wrap .specs-table td:first-child{font-weight:500;color:var(--deep);width:44%;padding-right:16px;}\n  .ro-wrap .specs-table td:last-child{color:var(--muted);}\n  .ro-wrap .specs-table tr:hover td{background:var(--offwhite);}\n  .ro-wrap .conditions-table{width:100%;border-collapse:collapse;font-size:18px !important;margin-top:4px;}\n  .ro-wrap .conditions-table th{background:var(--deep);color:var(--white);font-size:15px !important;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:10px 12px;text-align:left;}\n  .ro-wrap .conditions-table th:first-child{border-radius:var(--radius) 0 0 0;}\n  .ro-wrap .conditions-table th:last-child{border-radius:0 var(--radius) 0 0;}\n  .ro-wrap .conditions-table td{padding:10px 12px;border-bottom:1px solid var(--slate);color:var(--text);}\n  .ro-wrap .conditions-table tr:nth-child(even) td{background:var(--offwhite);}\n  .ro-wrap .ro-feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .ro-feature-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:20px 18px;}\n  .ro-wrap .ro-feat-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--ocean),var(--sky));border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}\n  .ro-wrap .ro-feature-card h3{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .ro-feature-card p{font-size:18px !important;color:var(--muted);line-height:1.55;margin:0;}\n  .ro-wrap .pro-tip{display:block;background:#fffbeb;border:1px solid #f5d87a;border-radius:var(--radius);padding:18px 20px;margin-top:20px;box-sizing:border-box;width:100% !important;}\n  .ro-wrap .pro-tip-icon{font-size:22px !important;display:inline;margin-right:8px;line-height:1.6 !important;}\n  .ro-wrap .pro-tip p{font-size:18px !important;color:#5a4500;line-height:1.6 !important;margin:0;display:block;width:100%;}\n  .ro-wrap .pro-tip strong{color:#3d2e00;}\n  .ro-wrap .install-steps{counter-reset:step;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:14px;}\n  .ro-wrap .install-steps li{counter-increment:step;display:flex;align-items:flex-start;gap:14px;font-size:18px !important;color:var(--text);}\n  .ro-wrap .install-steps li::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--ocean);color:white;font-size:15px !important;font-weight:700;flex-shrink:0;margin-top:1px;}\n  .ro-wrap .filter-schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .schedule-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .schedule-card .interval{font-size:22px !important;font-family:'DM Serif Display',serif;color:var(--sky);font-weight:400;margin-bottom:4px;}\n  .ro-wrap .schedule-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .schedule-card p{font-size:15px !important;color:var(--muted);margin:0;line-height:1.45;}\n  .ro-wrap .benefits-strip{display:flex;flex-wrap:wrap;background:var(--deep);color:var(--white);border-radius:0 0 var(--radius) var(--radius);overflow:hidden;}\n  .ro-wrap .benefit-item{flex:1 1 200px;padding:24px 22px;border-right:1px solid rgba(255,255,255,.1);}\n  .ro-wrap .benefit-item:last-child{border-right:none;}\n  .ro-wrap .bi-icon{font-size:22px !important;margin-bottom:10px;}\n  .ro-wrap .benefit-item h4{font-size:15px !important;font-weight:600;color:var(--aqua);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em;}\n  .ro-wrap .benefit-item p{font-size:15px !important;color:rgba(255,255,255,.65);line-height:1.55;margin:0;}\n  .ro-wrap .faucet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(200px,100%),1fr));gap:16px;margin-top:4px;}\n  .ro-wrap .faucet-card{border:2px solid var(--slate);border-radius:var(--radius);padding:18px;text-align:center;}\n  .ro-wrap .faucet-icon{font-size:28px !important;margin-bottom:10px;}\n  .ro-wrap .faucet-card h4{font-size:18px !important;font-weight:600;color:var(--deep);margin-bottom:6px;}\n  .ro-wrap .faucet-card p{font-size:15px !important;color:var(--muted);line-height:1.5;margin:0;}\n  .ro-wrap .spec-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:12px;margin-top:4px;}\n  .ro-wrap .spec-card{background:var(--offwhite);border:1px solid var(--slate);border-radius:var(--radius);padding:16px;}\n  .ro-wrap .spec-card .sc-label{font-size:13px !important;font-weight:700;letter-spacing:.08em;color:var(--sky);text-transform:uppercase;margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-value{font-size:20px !important;font-weight:600;color:var(--deep);margin-bottom:4px;}\n  .ro-wrap .spec-card .sc-note{font-size:15px !important;color:var(--muted);}\n  @media(max-width:640px){\n    .ro-wrap .ro-hero{padding:36px 24px 32px;}\n    .ro-wrap .ro-section{padding:28px 20px;}\n    .ro-wrap .ro-feature-grid,.ro-wrap .faucet-grid,.ro-wrap .filter-schedule,.ro-wrap .spec-cards{grid-template-columns:1fr;}\n    .ro-wrap .benefits-strip{flex-direction:column;}\n    .ro-wrap .benefit-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);}\n  }\n  \/* ── Nuclear override — force all text inside ro-wrap to be readable ── *\/\n  .ro-wrap p,\n  .ro-wrap li,\n  .ro-wrap td,\n  .ro-wrap th,\n  .ro-wrap .ro-section \u003e p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap .ro-section \u003e p,\n  .ro-wrap .ro-callout p,\n  .ro-wrap .stage-body p,\n  .ro-wrap .ro-feature-card p,\n  .ro-wrap .schedule-card p,\n  .ro-wrap .faucet-card p,\n  .ro-wrap .spec-card .sc-note,\n  .ro-wrap .pro-tip p {\n    font-size: 18px !important;\n    line-height: 1.6 !important;\n  }\n  .ro-wrap h2 { font-size: clamp(26px,4vw,40px) !important; line-height:1.15 !important; }\n  .ro-wrap h3 { font-size: 20px !important; line-height:1.3 !important; }\n  .ro-wrap h4 { font-size: 18px !important; line-height:1.3 !important; }\n  .ro-wrap .ro-label,\n  .ro-wrap .stage-tag,\n  .ro-wrap .sc-label { font-size: 14px !important; }\n  .ro-wrap .ro-title { font-size: 24px !important; }\n  .ro-wrap .interval { font-size: 22px !important; }\n  .ro-wrap .stage-num { font-size: 16px !important; }\n  .ro-wrap .ro-eyebrow { font-size: 14px !important; }\n  .ro-wrap .ro-badge { font-size: 15px !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"ro-wrap\"\u003e\n\n\u003cdiv class=\"ro-callout\"\u003e\nThe Shurflo Low Pressure Shut Off Switch automatically controls your electric water delivery pump by sensing tank pressure, preventing dry runs and extending pump life. Pre-wired with 2-foot harness and 1\/4\" push-fit connectors for quick installation in residential and light commercial RO systems.\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eSPECIFICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eShurflo Low Pressure Switch Technical Specs\u003c\/h2\u003e\n\u003cdiv class=\"spec-cards\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eConnection Type\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e1\/4\" Push Fit\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eQuick-connect fittings\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eWire Harness\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003e2 feet\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003ePre-terminated leads\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eFunction\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eLow Pressure\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003ePump on\/off control\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eApplication\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eTank Sensing\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eProduct water monitoring\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eBrand\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003eShurflo\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eOEM quality\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"sc-label\"\u003eCategory\u003c\/div\u003e\n\u003cdiv class=\"sc-value\"\u003ePump Accessory\u003c\/div\u003e\n\u003cdiv class=\"sc-note\"\u003eElectric pump systems\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eTECHNICAL DETAILS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eProduct Information\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eShurflo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eLow Pressure Shut Off Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet\/Outlet Fittings\u003c\/td\u003e\n\u003ctd\u003e1\/4\" Push-Fit Quick Connect (both ports)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Harness Length\u003c\/td\u003e\n\u003ctd\u003e2 feet (24 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Function\u003c\/td\u003e\n\u003ctd\u003eLow pressure sensing (pump activation control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eWater delivery pump systems, RO product tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Location\u003c\/td\u003e\n\u003ctd\u003eBetween storage tank and pump discharge line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"ro-section\"\u003e\n\u003cdiv class=\"ro-label\"\u003eCOMPATIBILITY \u0026amp; APPLICATIONS\u003c\/div\u003e\n\u003ch2 class=\"ro-title\"\u003eSystem Integration\u003c\/h2\u003e\n\u003cp\u003eThis Shurflo low pressure switch is designed for use with electric water delivery pumps in residential reverse osmosis systems, whole-house filtration setups, and light commercial water treatment installations. The switch monitors pressure in your product water storage tank and automatically turns the pump on when pressure drops below the set point, ensuring consistent water delivery to fixtures without manual intervention. The 1\/4\" push-fit connectors are compatible with standard RO tubing used in most residential systems. Install inline between your storage tank and pump, ensuring the switch senses tank-side pressure. Compatible with Shurflo booster pumps and most other electric delivery pumps operating in low-pressure residential applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"pro-tip\"\u003e\n💧 Mount the pressure switch above the tank water line and secure wiring away from sharp edges to prevent chafing. Test the switch operation after installation by opening a faucet and verifying the pump cycles on and off correctly as tank pressure changes.\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Shurflo","offers":[{"title":"Default Title","offer_id":35471082684578,"sku":"94-080-01","price":100.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7677\/6098\/files\/shurflo-low-pressure-shut-off-switch-14-push-fitting-wiring-306033.jpg?v=1762460140"}],"url":"https:\/\/www.isopurewater.com\/collections\/tank-pressure-switches.oembed","provider":"Isopure Water","version":"1.0","type":"link"}