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maintaining the high-performance integrity of the original system design
Rugged Build Quality: Constructed with high-grade materials to withstand the high-temperature environment of the burner box in industrial and commercial HVAC applications
This is a pilot operated valve requiring a minimum operating pressure differential of 5 PSI to function correctly
it is compatible with specific conversion kits
a PTC crankcase heater is highly recommended for systems where the compressor is exposed to low ambient temperatures to prevent refrigerant migration during the off-cycle
McDonnell & Miller 93-7B-HD Pump Controller Refrigerant maintaining the high-performance integrity ofThe McDonnell & Miller 93 7B HD (Part Number 163200) is a high performance head mechanism only designed for direct replacement in Series 93 and 193 boiler water level controls. This heavy duty unit integrates a low water cut off and pump controller, specifically engineered for industrial and commercial steam boilers. Featuring a No. 7B potentiometer switch, it provides a 135 ohm proportional signal for modulating feed water valves, ensuring precise
US$ 39.90
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