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Specifically engineered for use with normally closed valves
Common Questions & Technical Support Is the time relay adjustable on this model
and a 24V 40VA transformer
making it an ideal choice for condenser fan cycling and high-side pressure management
Lochinvar & A.O. Smith 100233577 Filter 321894-708 Specifically engineered for use withMaintaining clear intake pathways is critical for high efficiency operation, and the Lochinvar & A. O. Smith 100233577 Filter is the professional grade solution for preventing debris from fouling the heat exchanger. This 1" x 12" x 12" heavy duty air filter kit is specifically engineered for compatibility with a wide range of Lochinvar and A. O. Smith boiler and water heater models, including the Crest (CBL, CBN) and Copper Fin (CHL, CHN) series. As