Watts 0383942 Relief Valve Els PW 29614 the S1-024-35610-000 is specifically mapped

the S1-024-35610-000 is specifically mapped to the pickup and drop-out voltage requirements of designated York compressors

It is rated for 15 PSI for saturated steam and 60 PSI for hot water applications

The 26-504-01 is primarily designed for industrial HVACR and mechanical piping

While it may fit select Invensys valves when used with specific mounting kits

the system is likely failing to "prove" the flame

Watts 0383942 Relief Valve Els PW 29614 the S1-024-35610-000 is specifically mappedThe Watts 0383942 (Model 740 1 1 2 75) is a high capacity ASME Section IV safety relief valve engineered specifically for liquid filled hot water heating boilers and storage tanks. Featuring a 1 1 2 inch NPT threaded inlet and outlet, this valve is factory set to discharge at 75 PSI with a massive steam equivalent relief capacity of 5,909,000 BTU hr. The Watts 740 series utilizes a large orifice design and a silicon coated EPDM disc to ensure positive