Lochinvar & A.O. Smith 100109957 Blower Assembly R-410A For heating applications that require

For heating applications that require the valve to close on a temperature rise

Durable Construction: Stainless steel enclosed magnetic plunger prevents sticking and corrosion

Legacy Cross-Compatibility: Specially designed as the factory-authorized replacement for the older York replacement wiring harness part S1-025-38603-000

making it the industry standard for upgrading underpowered 40VA or 50VA circuits that fail under the load of modern high-draw components

which typically indicates a limit circuit lockout caused by restricted airflow or a failed thermal sensor

Lochinvar & A.O. Smith 100109957 Blower Assembly R-410A For heating applications that requireThe Lochinvar & A. O. Smith 100109957 Blower Assembly is a factory authorized OEM component engineered for high recovery FPSH 75 water heater models. As a critical part of the combustion system, this forced draft blower ensures precise air to fuel ratios and consistent venting of flue gases. This assembly is the direct successor to multiple discontinued part numbers, including 9004581105, 194509 00, and 195841 000, allowing for seamless integration