The Differences Between Thermostatic and Tempering ... - cold hot water mixing valve
Watts LF909-QT 3/4 inch lead free reduced pressure zone backflow preventer assembly prevents the flow of polluted water from entering into the potable water supply. The assembly has a bronze body, quarter turn ball valve shutoffs with tee handles, check modules, replaceable seats, top mounted test cocks, and a pressure differential relief valve.
watts909 backflow preventer4"
Watts LF909-QT 3/4 inch lead free reduced pressure zone backflow preventer assembly prevents the flow of polluted water from entering into the potable water supply. The assembly has a bronze body, quarter turn ball valve shutoffs with tee handles, check modules, replaceable seats, top mounted test cocks, and a pressure differential relief valve.