Watts LFN241X 8 150 210 1 1 4 Part of the LFN240 Series ZC100F 6NH This 1 2 inch bypass control This 1 2 inch bypass control relief valve is used in commercial these hatches are compatible with OSHA compliant safety railings and available in a broad selection of sizes This 1 1 4 inch lead free automatic reseating temperature and pressure relief valve with an 8 inch thermostat is installed directly in tank tappings and is used in commercial applications to provide automatic temperature and pressure protection for hot water supply tanks and hot water heaters Specification Sheet Relief Valve Flood Sensor Retrofit Connection Kit (Spanish)