Durable Construction: Galvanized steel build resists corrosion in harsh mechanical room environments and plenum spaces

The MOT5421 is the manufacturer-recognized replacement for MOT05543

The Williams P130700 Blower Wheel is a critical OEM replacement part designed specifically for Williams Direct Vent Heaters and 2302 blower assemblies

Utilizing authentic valve rebuild components prevents the premature failure of the solenoid operator and maintains the integrity of the pressure-rated housing

Vibration Reduction: Precision-balanced 5-blade aluminum construction minimizes mechanical stress on the fan motor shaft

Lochinvar & A.O. Smith 100277715 Gasket Kit 319825-402 Durable Construction: Galvanized steel buildUpgrade your system's sealing integrity with the Lochinvar & A. O. Smith 100277715 Gasket Kit, a critical service set designed for commercial boilers and water heaters. This OEM Gasket Replacement Kit is the verified direct replacement for the legacy 100188941, precisely engineered for high efficiency burner assemblies and heat exchanger interfaces. As a veteran grade Lochinvar boiler service part, it provides a comprehensive solution for maintaining