Lennox 45K27 Flue Gasket 319847-401 allowing for a 7°F to

allowing for a 7°F to 55°F variance between cut-in and cut-out settings to prevent short-cycling

Remove the four body bolts

Built to handle standard 120V to 240V AC applications

and motor circuits

Lennox 45K27 Flue Gasket 319847-401 allowing for a 7°F toThe Lennox 45K27 Flue Gasket (also identified by part number LB 66251) is an essential OEM component for maintaining the structural integrity of the exhaust system in high efficiency gas furnaces and commercial rooftop units. Designed to withstand the thermal stress of combustion cycles, this high temperature flue gasket creates a critical airtight seal between the flue pipe and the furnace transition. By preventing the leakage of combustion by