this pilot-operated solenoid valve is optimized for handling air

effectively preventing high-side over-pressurization during restricted airflow or fan motor failures

we recommend a licensed HVAC technician perform the replacement to ensure proper seals and drainage angles

Common Questions Is the 058490 compatible with both R22 and R407C

Watts 0066123 Valve 320788-702 this pilot-operated solenoid valve isAs a seasoned technician, you know that consistent pressure management is the only way to prevent tank fatigue and catastrophic failure. The Watts 0066123 Valve (Model 100XL 8) is a field proven temperature and pressure relief valve designed for heavy duty hot water storage tanks and commercial heaters. This 3 4 inch T&P valve is engineered with a brass body and a stainless steel spring to handle rigorous cycles without binding. The standout feature