
Watts AquaLock - Large Diameter Stackable Branch Tee
Watts AquaLock Branch Tee Technical Details
| Manufacturer | Watts Water Technologies |
| Product Line | AquaLock Push-to-Connect Fittings |
| Fitting Type | Stackable Branch Tee |
| Configuration | Large Diameter, 3-Port Branch Connection |
| Compatible Tubing | Copper, CPVC, PEX, LDPE, MDPE, HDPE, Polypropylene |
| Connection Method | Push-to-Connect, No Tools Required |
| Material | Engineering-Grade Polypropylene |
| Application | Water Filtration, Plumbing, RO Systems, Distribution Lines |
Installing Your AquaLock Branch Tee
- Cut tubing square using a tubing cutter and ensure the end is clean, burr-free, and fully round
- Mark the tubing with insertion depth measurement to confirm proper seating inside the fitting body
- Push the tubing firmly into the AquaLock port until it bottoms out against the internal stop and meets your depth mark
- Tug the tubing to verify secure engagement with the internal grab ring before pressurizing the system
Tubing Size & Thread Reference
The AquaLock large diameter fitting system accommodates polypropylene tubing from 3/8" OD through 1-1/8" OD, corresponding to copper tube sizes from 1/4" CTS to 1" CTS. When working with NPT threaded connections, reference the standard pipe thread chart: 1/4" NPT equals 0.540" OD actual, 3/8" NPT equals 0.675" OD, 1/2" NPT equals 0.840" OD, 3/4" NPT equals 1.050" OD, and 1" NPT equals 1.315" OD actual diameter. Verify your tubing outside diameter before selecting the corresponding AquaLock fitting size to ensure proper sealing and grab ring engagement.
Watts AquaLock Branch Tee Technical Details
| Manufacturer | Watts Water Technologies |
| Product Line | AquaLock Push-to-Connect Fittings |
| Fitting Type | Stackable Branch Tee |
| Configuration | Large Diameter, 3-Port Branch Connection |
| Compatible Tubing | Copper, CPVC, PEX, LDPE, MDPE, HDPE, Polypropylene |
| Connection Method | Push-to-Connect, No Tools Required |
| Material | Engineering-Grade Polypropylene |
| Application | Water Filtration, Plumbing, RO Systems, Distribution Lines |
Installing Your AquaLock Branch Tee
- Cut tubing square using a tubing cutter and ensure the end is clean, burr-free, and fully round
- Mark the tubing with insertion depth measurement to confirm proper seating inside the fitting body
- Push the tubing firmly into the AquaLock port until it bottoms out against the internal stop and meets your depth mark
- Tug the tubing to verify secure engagement with the internal grab ring before pressurizing the system
Tubing Size & Thread Reference
The AquaLock large diameter fitting system accommodates polypropylene tubing from 3/8" OD through 1-1/8" OD, corresponding to copper tube sizes from 1/4" CTS to 1" CTS. When working with NPT threaded connections, reference the standard pipe thread chart: 1/4" NPT equals 0.540" OD actual, 3/8" NPT equals 0.675" OD, 1/2" NPT equals 0.840" OD, 3/4" NPT equals 1.050" OD, and 1" NPT equals 1.315" OD actual diameter. Verify your tubing outside diameter before selecting the corresponding AquaLock fitting size to ensure proper sealing and grab ring engagement.
Original: $11.22
-65%$11.22
$3.93Description
Watts AquaLock Branch Tee Technical Details
| Manufacturer | Watts Water Technologies |
| Product Line | AquaLock Push-to-Connect Fittings |
| Fitting Type | Stackable Branch Tee |
| Configuration | Large Diameter, 3-Port Branch Connection |
| Compatible Tubing | Copper, CPVC, PEX, LDPE, MDPE, HDPE, Polypropylene |
| Connection Method | Push-to-Connect, No Tools Required |
| Material | Engineering-Grade Polypropylene |
| Application | Water Filtration, Plumbing, RO Systems, Distribution Lines |
Installing Your AquaLock Branch Tee
- Cut tubing square using a tubing cutter and ensure the end is clean, burr-free, and fully round
- Mark the tubing with insertion depth measurement to confirm proper seating inside the fitting body
- Push the tubing firmly into the AquaLock port until it bottoms out against the internal stop and meets your depth mark
- Tug the tubing to verify secure engagement with the internal grab ring before pressurizing the system
Tubing Size & Thread Reference
The AquaLock large diameter fitting system accommodates polypropylene tubing from 3/8" OD through 1-1/8" OD, corresponding to copper tube sizes from 1/4" CTS to 1" CTS. When working with NPT threaded connections, reference the standard pipe thread chart: 1/4" NPT equals 0.540" OD actual, 3/8" NPT equals 0.675" OD, 1/2" NPT equals 0.840" OD, 3/4" NPT equals 1.050" OD, and 1" NPT equals 1.315" OD actual diameter. Verify your tubing outside diameter before selecting the corresponding AquaLock fitting size to ensure proper sealing and grab ring engagement.



















