Lochinvar & A.O. Smith 100189280 Control Refrigerant This normally open solenoid valve

This normally open solenoid valve is designed to remain in the open position until electrically energized

making it ideal for VAV systems with reheat

Enhanced Safety Compliance: Restores the factory-intended safety interlock

Dual Frequency Support: Engineered to function efficiently on both 50 Hz and 60 Hz power supplies

Serviceability: Features an easy manual flushing mechanism that allows debris removal without disturbing the pressure setpoint

Lochinvar & A.O. Smith 100189280 Control Refrigerant This normally open solenoid valveThe 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