Backflow Preventer, Dual Check Valve, .75-In. Tub & Shower Doors This durable product will give

This durable product will give many years of use

The stem cartridge will provide durability and reliable performance

the externally braced turbines have three braces that surround the outside of the turbine

Non-IC (insulation contact) rated

For use as a rafter square

Backflow Preventer, Dual Check Valve, .75-In. Tub & Shower Doors This durable product will give3 4", back flo preventer, dual check valve, use at drinking water supply service entrance or individual outlets, for non health hazard residential water system containment & continuous pressure applications, install vertically or horizontally, temperature range 33 to 180 degrees Fahrenheit, minimum working pressure 10 psi to maximum working pressure 150 psi, buna n seals & stainless steel springs, meets asse 1023 & csa b64. 6, wetted surface of this