Lochinvar & A.O. Smith 100145008 Fan Assembly Freon the 31-degree pitch and 1/2-inch

the 31-degree pitch and 1/2-inch bore must match your specific model requirements to avoid overloading the motor or under-cooling the refrigerant

this assembly is engineered to provide the precise negative pressure required to clear combustion gases from the heat exchanger before the ignition sequence begins

The unit includes adjustable temperature limits and a compressor short-cycle protection circuit to maintain system longevity and prevent equipment stress

fixed trip switches like the H-900 are intended for "Go/No-Go" status

Replacing a degraded 68-100651-01 during routine maintenance prevents costly emergency calls and protects internal components like the inducer motor from moisture damage

Lochinvar & A.O. Smith 100145008 Fan Assembly Freon the 31-degree pitch and 1/2-inchThe Lochinvar & A. O. Smith 100145008 Fan Assembly is a critical OEM replacement combustion blower engineered for high efficiency hydronic systems. This combustion fan assembly, which is a direct identical match for FAN3035, is purpose built to maintain the precise fuel to air ratio required for clean ignition and stable modulation. Specifically designed for use in Knight XL KBN399 400 heating boilers and Knight WH400 wall mount boilers, it also