Water heater by pass valve. 3/8" this will work on pex and polybutylene pipe. water heater by pass valve can pump anti freeze into the plumbing system without getting in to the heater.
Used To: Water Heater By-Pass Valve
Type: 3-Way
Inlet Attachment: PEX Barb
Inlet Size: 3/8 Inch
Outlet Attachment: PEX Barb
Outlet Size: 3/8 Inch
Material: Plastic
With Handle: Yes
With Mounting Hardware: No
Features