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This MP54 pressure switch functions by monitoring the pressure difference between the oil pump discharge and the compressor crankcase (suction pressure)
providing 1
you can wire the common terminal to either the heating or cooling load depending on your specific requirements
Key Benefits for Technicians: Streamlined Installation: The octal plug-in base facilitates fast mounting onto standard 8-pin screw connector sockets
Lochinvar & A.O. Smith 100189280 Control 319825-402 This MP54 pressure switch functionsThe Lochinvar & A. O. Smith 100189280 Control (model CONTROLINTERGRATEDFTX400) is a critical integrated logic component designed for high efficiency condensing boilers and water heaters. Engineered for precise HVAC system communication, this control board manages modulating burner firing rates, blower speeds, and pump sequences to maintain optimal thermal efficiency. Replacing an OEM 100189280 circuit board ensures your FTX high efficiency boiler