this module facilitates precise compressor modulation by converting an analog demand signal into a pulse-width modulated (PWM) cycle for the unloader solenoid

Failsafe Reliability: Mechanical spring return stem up action provides immediate system protection during power interruptions

it is functionally identical to the Lennox 25G2201

Extended Reach: Includes a 72-inch capillary for remote sensing in large cabinets or ductwork

What do the flashing green or red lights on the board mean

Lochinvar & A.O. Smith 100109290 Pilot Assembly 321702-401 this module facilitates precise compressorAs a veteran tech, you know that a flickering or non responsive burner often traces back to a compromised pilot circuit. The Lochinvar & A. O. Smith 100109290 Pilot Assembly is a critical OEM component specifically engineered for FVIR (Flammable Vapor Ignition Resistant) natural gas water heaters. Featuring a 180 degree configuration, this assembly ensures the pilot flame is perfectly oriented for reliable main burner ignition and precise thermocouple