Aquatec (QJS-553) 3/4 Quad Port x 3/8 OD JG Push-in Fitting
Aquatec QJS-553 3/4" Quad Port x 3/8" OD Push-in Fitting
Four-port manifold junction with reliable John Guest push-connect technology for quick, leak-free reverse osmosis installations
The Aquatec QJS-553 quad port fitting provides a reliable junction for splitting or combining water lines in RO systems. With one 3/4" female threaded port and four 3/8" OD push-in ports, this manifold simplifies distribution plumbing without the need for tools or clamps.
Technical Details
| Model Number | QJS-553 |
| Threaded Inlet | 3/4" Female NPT |
| Push-in Outlets | Four 3/8" OD ports |
| Connection Type | John Guest push-connect |
| Material | FDA-compliant polymer |
| Max Pressure | 150 PSI |
Ideal For
Compatible with all standard 3/8" OD tubing used in residential and commercial RO systems. Use the Aquatec QJS-553 to distribute permeate water to multiple faucets, refrigerators, or inline filters. The 3/4" threaded port accepts standard tank valves or booster pump outlets. Works with brands including APEC, iSpring, Home Master, Watts, Pentair, and other systems using 3/8" JG-style tubing.
Aquatec fittings are manufactured to John Guest specifications and trusted by professional installers for leak-free performance in thousands of RO systems.
