Watts 0383020 Valve Els PW 17895 45" WC pressure switch to

45" WC pressure switch to ensure the system operates within the manufacturer's specified safety parameters

Common Questions Is the Reznor 196852 compatible with natural gas systems

For technicians handling larger jobs

technically identical to the Sporlan E3S130

Watts 0383020 Valve Els PW 17895 45" WC pressure switch toThe 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