Watts 0383021 Valve Freon Integrated HOA override switch allows

Integrated HOA override switch allows field technicians to force the load on or off for diagnostic verification

verify the specific PSI rating of your system before installation

By using genuine Modine parts

Precise LP Calibration: Specifically sized for liquid propane applications to ensure optimal BTU output and clean combustion

Replacing the motor promptly prevents strain on the humdistat and control board

Watts 0383021 Valve Freon Integrated HOA override switch allowsThe Watts 0383021 is a high capacity ASME Section IV safety relief valve designed specifically for commercial hot water space heating boilers. This Watts 740 series relief valve features a 1 1 4 inch NPT female inlet and an expanded 1 1 2 inch NPT female outlet, engineered to decrease discharge velocity and prevent potential backpressure issues within the return line. With a factory set relief pressure of 35 PSI and a certified steam discharge