Lochinvar & A.O. Smith 100109957 Blower Assembly R-410A Legacy Cross-Compatibility: Specially designed as

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

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

typically up to 400°F

turn the setpoint screw clockwise until the 'Status Open' LED lights up

it maintains a 0-5 PSI pressure range and is CSA certified for safety compliance

Lochinvar & A.O. Smith 100109957 Blower Assembly R-410A Legacy Cross-Compatibility: Specially designed asThe 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