Lochinvar & A.O. Smith 100109929 Ignition Module 320788-704 This model features a built-in

This model features a built-in transformer and a single-pole double-throw (SPDT) auxiliary switch for integrated signaling

System Protection: Optimizes drainage efficiency to prevent water backup into the blower compartment and electronics

then turn it clockwise four full turns to engage the calibration spring

protecting compressor life and system performance

Lochinvar & A.O. Smith 100109929 Ignition Module 320788-704 This model features a built-inThe Lochinvar & A. O. Smith 100109929 Ignition Module is a critical Honeywell Intermittent Pilot Ignition (IID) control designed for precise pilot gas flow management and spark ignition timing. Engineered for high demand gas water heaters and HVAC systems, this direct replacement part (also identified as S8600M3001 or 9004544205) operates on a standard 24V 60Hz electrical loop. Field technicians rely on this module to ensure reliable flame sensing and