while the M3/M4 poles activate between 50-70 seconds

This gas valve conversion kit ensures precise modulation between high and low fire stages

reducing electrical load

Enhanced Reliability: The thermal-magnetic trip unit provides precise protection against overloads and short-circuit events

this 370Vac oval dual run capacitor utilizes 4-spade quick-connect terminals for seamless field integration

Lochinvar & A.O. Smith 100144983 Fan Assembly 321042-401 while the M3/M4 poles activateThe Lochinvar 100144983 Fan Assembly is a critical OEM replacement component designed for precision air fuel delivery in high efficiency condensing boilers and water heaters. Engineered to match the exact specifications of A. O. Smith and Lochinvar combustion systems, this blower motor assembly ensures stable static pressure and optimal thermal efficiency. As a Lochinvar fan motor replacement, the 100144983 features a durable housing and a balanced