Lochinvar & A.O. Smith 100188879 Fan Assembly 321142-301 Rugged Construction: Features a stainless

Rugged Construction: Features a stainless steel probe and is compatible with non-corrosive PVC or metal plenum-rated enclosures for versatile mounting

It is recommended to use high-quality foam tape or insulation (sold separately) to ensure the bulb accurately reads the suction line temperature without ambient interference

allowing for professional diagnostic verification after a trip

Seamless Installation: Features a standard foot-mount design with spade terminal connections for a secure

Key Benefits Universal Compatibility: Designed with standard 1/4" female quick-connect terminals to fit most major HVAC capacitor brands

Lochinvar & A.O. Smith 100188879 Fan Assembly 321142-301 Rugged Construction: Features a stainlessThe Lochinvar 100188879 Fan Assembly is a critical OEM replacement component designed specifically for the FTX400 Knight XL heating boiler. Engineered to maintain precise air to fuel ratios, this kit ensures optimal combustion stability and heat exchanger efficiency. As a direct replacement for A. O. Smith 100188879 and legacy part number FAN30026, this high performance blower assembly facilitates consistent static pressure within the venting system.