PureT (AD-4PP-3W) Plastic Adapter 1/2” NPTF Thread with 1/4" NPTF Thread (Tee)
Plastic Tee Adapter AD-4PP-3W
Dual-threaded polypropylene tee fitting for split connections in point-of-use water systems. 1/2" NPTF and 1/4" NPTF threads, no tools required.
What You're Getting
| Model | AD-4PP-3W |
| Configuration | Tee Adapter |
| Thread 1 | 1/2" NPTF (female) |
| Thread 2 | 1/4" NPTF (female) |
| Material | Polypropylene (FDA approved) |
| O-Rings | EPDM |
| Collet Teeth | Stainless Steel |
| Manufacturer | C.C.K. (via PureT) |
Built for POU Drinking Water Systems
Tool-Free Installation
C.C.K. quick-connect design locks tubing in place without wrenches or adapters. Reduces labor by over 80% compared to compression fittings.
Chemical Resistance
Polypropylene body withstands oxidizers and aggressive water treatment chemicals. EPDM o-rings maintain seal integrity across temperature ranges.
Secure Grip
Stainless steel teeth in collet bite into tubing wall for permanent hold. Safe for use with 1/4" and 3/8" PE tubing in residential and light commercial applications.
FDA Compliance
All materials approved for potable water contact. Meets NSF standards for point-of-use drinking water systems and RO installations.
Works With Standard Systems
The AD-4PP-3W tee adapter connects directly to any system using 1/2" NPTF or 1/4" NPTF threaded components. Compatible with all C.C.K., John Guest, and Watts quick-connect tubing in 1/4" and 3/8" sizes. Use for splitting feed lines, creating bypass loops, or adding inline filters to existing POU drinking water systems and reverse osmosis installations.
Quick Ship
In-stock fittings ship same day
Leak-Free Design
EPDM o-rings rated to 150 PSI
Field Proven
C.C.K. fittings in use since 1985