Lochinvar & A.O. Smith 100145019 Air Fan 320735-701 Enhanced Thermal Tolerance: Durable construction

Enhanced Thermal Tolerance: Durable construction allows for consistent performance in ambient temperatures from -20°F to 150°F

This board fits 101 and 102 series Modine Hot Dawg heaters

ensuring exact mechanical tolerance for heat exchanger gasket replacement

making it a versatile choice for everything from walk-in freezers to space heating

Lochinvar & A.O. Smith 100145019 Air Fan 320735-701 Enhanced Thermal Tolerance: Durable constructionThe 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.