Amtrol (143-293) RO Steel Pressure Tank 14 Gallon 1/4" NPT Blue
Amtrol 143-293 Steel Pressure Tank 14 Gallon
Amtrol invented reverse osmosis storage tank technology and has been refining it for four decades. The 143-293 delivers 11 gallons of usable storage capacity from a 14-gallon total volume using a fully enclosed polypropylene and butyl diaphragm that ensures water purity and outlasts traditional bladder designs. Equipped with a standard 1/4" NPT fitting for universal RO system compatibility.
Proven Diaphragm Technology
Pioneering Diaphragm Design
Amtrol's original diaphragm configuration provides more complete water discharge and longer service life than bladder-style tanks with less rubber-to-water contact
NSF Listed Purity
Fully enclosed polypropylene and butyl water reservoir maintains water quality without contamination from tank components
USA Manufacturing
ISO certified production facility with strict quality control and expert technical support from the company that invented RO tank technology
Universal Compatibility
Standard 1/4" NPT threaded fitting works with all major residential and light commercial reverse osmosis systems
Optimized Footprint
16" diameter by 24" height fits standard under-sink installations while providing 11 gallons of usable storage capacity
5-Year Warranty
Industry-leading warranty coverage backed by decades of proven performance and unsurpassed customer service
System Integration
The Amtrol 143-293 works with all residential and light commercial reverse osmosis systems using standard 1/4" NPT tank fittings. Ideal for households requiring steady pressure and volume for drinking water, cooking, and point-of-use applications. Compatible with systems from major manufacturers including APEC, iSpring, Watts, GE, and Whirlpool. The 14-gallon size suits families of four or more, or installations where high-volume RO water demand requires consistent pressure delivery.
When you choose Amtrol model 143-293, you're selecting the original RO storage technology from the company that invented it, backed by ISO certification and a comprehensive five-year warranty.
