Conbraco 10-303-05 Relief Valve Els PW 17895 Indicators include a compressor that

Indicators include a compressor that "hums" but fails to start

replacing older Lennox 37H9601 units seamlessly

and other non-corrosive refrigerants within commercial refrigeration and HVAC systems

Industrial Durability: Plated steel housing and a high-cycle snap-acting switch offer longevity in demanding commercial environments

Conbraco 10-303-05 Relief Valve Els PW 17895 Indicators include a compressor thatThe Conbraco 10 303 05 Relief Valve is a high capacity, ASME Section IV certified safety component engineered specifically for hot water heating boilers and hydronic systems. Featuring a rugged bronze body (ASTM B584) and a corrosion resistant stainless steel spring, this 3 4" FNPT x 3 4" FNPT valve is factory set at 30 PSI to prevent over pressurization in demanding residential and commercial applications. With a discharge capacity of 550,000 BTU hr