Lochinvar & A.O. Smith 100233597 Gasket 323055-751 Modern HVAC technicians and commercial

Modern HVAC technicians and commercial contractors require reliable refrigerant metering to maintain system efficiency

This replaces the hard seats and springs

making it suitable for high-efficiency fixtures

functioning as a safety and operational interlock

the 55440 disc is ground and lapped to exacting tolerances to ensure a positive shut-off and long-term condensate removal efficiency

Lochinvar & A.O. Smith 100233597 Gasket 323055-751 Modern HVAC technicians and commercialThe Lochinvar & A. O. Smith 100233597 Gasket is a critical high temperature seal designed specifically for the flue exhaust system on heavy duty commercial boilers and water heaters. Engineered to withstand intense thermal cycling, this EPDM flue gasket ensures a gas tight seal between the heat exchanger and the venting assembly, preventing hazardous combustion byproducts from escaping into the mechanical room. This component is a direct replacement