Watts 0121604 Regulator R-22 The VM3313 is compatible with

The VM3313 is compatible with Erie PopTop modulating actuators

This 3-way zone valve requires a normally closed actuator (such as the AG or AH series)

if you are converting from natural gas to liquid propane

Multi-Voltage Compatibility: Operates on 120

Enhanced System Protection: Accurate temperature sensing prevents high-limit excursions

Watts 0121604 Regulator R-22 The VM3313 is compatible withAs a veteran contractor, you know that commercial water heater protection hinges on the reliability of the 1. 5 inch Watts 0121604 temperature and pressure relief valve. This LF340X 8 125 model is the industry standard for high capacity lead free relief valves, engineered specifically for large scale hot water supply tanks and heaters. With a massive 5. 403K BTU steam discharge capacity and a precise 125 PSI pressure relief setting, this valve