Watts 0384442 Valve 30067439-890 Versatile SPDT switching logic enables

Versatile SPDT switching logic enables both normally open and normally closed configurations for alarm or control functions

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This explosion-proof oxygen sensor provides reliable detection of oxygen depletion or enrichment

Moving to a 3-try system like this often improves reliability in systems prone to ignition delays

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Watts 0384442 Valve 30067439-890 Versatile SPDT switching logic enablesThe Watts 0384442 (Model 740 2 75) is a high capacity ASME Section IV water pressure relief valve engineered for large scale hydronic heating systems and commercial boilers. Constructed with a heavy duty iron body, this 2 inch NPT inlet x 2 1 2 inch NPT expanded outlet valve is factory set at 75 PSI to provide critical overpressure protection. With a massive discharge rating of 10,700,000 BTU hr, it is designed to meet the rigorous safety demands of