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commonly serving as a defrost relay kit in heat pump configurations
reducing field time during emergency calls
If your furnace diagnostic LED indicates a pressure switch stuck open or closed
it is recommended to install the valve with the solenoid in a vertical
McDonnell & Miller 250-3/4-60 Valve 30067439-890 commonly serving as a defrostThe McDonnell & Miller 250 3 4 60 is a high capacity 3 4" NPT pressure relief valve engineered specifically for hydronic heating systems and large storage tanks. Designed to provide critical over pressure protection, this ASME Section IV certified valve is factory set at 60 PSI and features an impressive thermal discharge capacity of 1,252,000 BTU hr. As a veteran grade boiler safety relief valve, it utilizes a durable bronze body and seat combined
US$ 139.95
US$ 2899.50
US$ 29.95
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