Lennox 71L45 Gasket 320734-701 including the Lochinvar Knight and

including the Lochinvar Knight and Copper-Fin boiler series (CB

Constructed for durability in both residential and commercial HVACR environments

the entire valve unit usually requires replacement

It ensures the inducer motor establishes a consistent vacuum

For larger AFB or NFB series actuators

Lennox 71L45 Gasket 320734-701 including the Lochinvar Knight andThe Lennox 71L45 is a critical Flue Collector Box Gasket designed to maintain the structural integrity of the combustion path in high efficiency furnace repair applications. This high temperature sealing component is engineered to eliminate exhaust gas bypass by creating a gas tight seal between the flue collector box and the heat exchanger interface. For technicians, ensuring a zero leak seal is essential to prevent CO leakage and maintain proper