Watts 0383020 Valve R-410A this valve is factory-set at

this valve is factory-set at 150 psi

Built for high-static environments

Integrated Test Switch: Allows technicians to verify control logic and burner shutdown without draining the system

The design facilitates a 0

Watts 0383020 Valve R-410A this valve is factory-set atThe Watts 0383020 (Model 740) is a high capacity ASME Section IV water pressure relief valve specifically engineered for large scale hot water space heating boilers. This 1 1 4 inch NPT iron body valve is designed to provide emergency overpressure protection, featuring a 30 PSI relief setting and a significant steam discharge capacity of 2,105,000 BTU hr. Its robust construction utilizes non metallic disc to metal seating to prevent sticking and