Watts F121408 LF40L Series Lead Free 1 in. FNPT x FNPT Copper Silicon Alloy 125 psi 210 Degree F Automatic Reseating Temperature and Pressure Relief Valve with 2 in. Coated Thermostat and Discharge Line Flood Sensor
Watts F121406 LF40L Series Lead Free 3/4 in. FNPT x FNPT Copper Silicon Alloy 150 psi Automatic Reseating Temperature and Pressure Relief Valve with 3 in. Coated Thermostat and Discharge Line Flood Sensor
Watts F121411 LF40L Series Lead Free 3/4 in. FNPT x FNPT Copper Silicon Alloy 100 psi Automatic Reseating Temperature and Pressure Relief Valve with 5 in. Coated Thermostat and Discharge Line Flood Sensor
Watts F121420 LF40L Series Lead Free 3/4 in. FNPT x FNPT Copper Silicon Alloy 100 psi Automatic Reseating Temperature and Pressure Relief Valve with 8 in. Coated Thermostat and Discharge Line Flood Sensor