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non-slip interface with the motor shaft for reliable power transfer
These units are factory-calibrated
Broad Compatibility: Fully compatible with Armstrong EHU-601
maintaining the original pitch and diameter is critical to prevent excessive amp draw and motor overheating
Lochinvar & A.O. Smith 100145019 Air Fan 321142-301 non-slip interface with the motorThe Lochinvar 100145019 Combustion Air Fan is a critical replacement component designed for high efficiency hydronic boilers and volume water heaters. Engineered for precise pre mix combustion air delivery, this centrifugal blower assembly ensures optimal air to fuel ratios across various firing rates. Originally sourced under part numbers such as Lochinvar FAN3032, it is compatible with select Knight XL and Copper Fin II models, as well as A. O.
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