Watts LF40XL-4 75/210 FS 1 - Part of the LF40L Series American Wick Drain engineered for floating slab and

engineered for floating slab and isolation deck systems

The plastic is made in the USA

integral filter washers and check valves

Stainless steel internals

Watts LF40XL-4 75/210 FS 1 - Part of the LF40L Series American Wick Drain engineered for floating slab andThis lead free automatic reseating temperature and pressure relief valve has a 1 inch NPTF male inlet, 1 inch NPTF female outlet, 4 inch coated extension thermostat, pressure relief setpoint of 75 psi, and temperature relief setpoint of 210 degrees F. The valve can be installed in hot water outlet within the allowable distance from the top of the tank for commercial applications to provide protection for hot water supply tanks and hot water heaters.