Watts 0121406 Valve Els PW 17895 Attempting to sleeve or modify

Attempting to sleeve or modify the bore can cause dangerous imbalances

This 1/2" NPT water gauge features a 5/8" OD x 12" length standard glass tube

The flush-mount configuration is engineered for exterior wall installation

It is the primary replacement for Weil McLain CG

When you are out in the field dealing with a power vent water heater that won't stay lit or shows an error code 7

Watts 0121406 Valve Els PW 17895 Attempting to sleeve or modifyThe Watts 0121406 (Model 40L 3 150) is a high capacity automatic temperature and pressure relief valve designed specifically for large scale water heating systems and storage tanks. Featuring a 3 4 inch NPT male inlet and NPT female outlet, this Series 40L valve is engineered with a bronze body and a 3 inch extended thermostat reach to ensure accurate sensing in high volume applications. It provides critical protection with a pressure relief setting