Watts LF07S 1 1/2 - Part of the LF07S Series Tactile Paving This 1/2 inch calibrated pressure

This 1/2 inch calibrated pressure relief valve is used in commercial

This decorative drain cover has an open surface area of 98

A self-locking polyethylene dome protects the drain from debris

With neutral-invert channel

This valve facilitates easy transition from copper tubing to PEXa tubing

Watts LF07S 1 1/2 - Part of the LF07S Series Tactile Paving This 1/2 inch calibrated pressureThis 1 1 2 IN dual check valve backflow preventer is designed to prevent the reverse flow of polluted water from residential fire sprinkler systems from entering into the potable water supply. It consists of a bronze body, silicone seat disc, union seals and captured stainless steel springs. This valve is easy to maintain and service. The minimum working pressure is 10 psi (69 kPa). The maximum working pressure is 175 psi (12. 06 bar). Features