This specific model is typically utilized as a safety limit for specific York furnace models

the M322A01 is the direct

If using an external 40 VA transformer

Direct Replacement: Seamlessly replaces 35-630501-003

Lochinvar & A.O. Smith 100109862 Blower Assembly 318820-201 This specific model is typicallyThe Lochinvar & A. O. Smith 100109862 Blower Assembly is a critical OEM replacement part engineered for high efficiency gas fired water heaters and boilers. This heavy duty inducer motor assembly is specifically designed for Model FPSH 40 50 Series 236 237 units, serving as a direct replacement for the obsolete 9004453105 part number. As a veteran grade combustion blower, it ensures precise airflow management by facilitating the admission of fresh air