Standardized Housing: The NEMA 48 frame size and 1/2-inch shaft diameter allow for seamless integration with existing fan blades and mounting brackets

or visible gaps in the metal seams which indicate the integrity of the burner is compromised

making it a versatile choice for both chilled water and hot water applications

minimizing pressure drop to maintain high SEER ratings

Industrial Capacity: Rated for 40A per circuit

Lochinvar & A.O. Smith 100287090 Gasket 326058-757 Standardized Housing: The NEMA 48The Lochinvar & A. O. Smith 100287090 Gasket is a critical OEM replacement part designed for high efficiency condensing boilers and water heaters. This 4MM X 121MM OD Burner Gasket provides a high temperature seal between the burner assembly and the combustion chamber, preventing volatile combustion gases from escaping the heat exchanger. Engineered for precise fitment in Lochinvar Knight and A. O. Smith commercial units, including the KHB199, KHB285,