Lochinvar & A.O. Smith 100189283 Control R-407A The Counter Clockwise (CCW) rotation

The Counter Clockwise (CCW) rotation and PSC (Permanent Split Capacitor) design provide the torque necessary to maintain static pressure and system efficiency

this housing ensures a precise seal for the inducer motor and impeller wheel

Designed for R-22 refrigerant compatibility

or excessive vent pipe length creating backpressure that exceeds the switch's operating range

Direct-Fit Installation: The included burner support (48TM505275) and burner manifold (48TM405272) simplify assembly in the field

Lochinvar & A.O. Smith 100189283 Control R-407A The Counter Clockwise (CCW) rotationThe Lochinvar & A. O. Smith 100189283 Control (Integrated FTX725) is a critical OEM boiler control board designed for high efficiency commercial hydronic systems. This integrated furnace control manages critical combustion sequences, including the hot surface igniter timing, blower speeds, and gas valve modulation. Engineered specifically for the Lochinvar Knight and high output A. O. Smith series, it serves as a direct replacement for legacy part