Lennox 32M65 Flue Collar the switch has failed and

the switch has failed and must be replaced

the F89-0211 facilitates accurate fluid temperature sensing while allowing for the removal of the control bulb (standard 3-1/2" x 3/8" bulb size) without the need to drain the entire closed system

and Carrier

including the Lochinvar 402

Smith 100208306 Indicator Light is a critical diagnostic component for maintaining the operational integrity of high-efficiency boilers and water heaters

Lennox 32M65 Flue Collar the switch has failed andThe Lennox 32M65 Flue Collar is a critical OEM replacement part designed for high efficiency combustion assembly in residential and commercial Lennox gas furnaces and boilers. This precision engineered flue collar features an internal diameter (ID) of 2 inches and an overall length (OAL) of 10. 148 inches, providing a robust, airtight connection between the furnace's heat exchanger or draft inducer and the exhaust venting system. Fabricated from high