Ensure there are no carbon deposits or flue obstructions

Comprehensive Sealing: Includes coated steel head gaskets to provide a superior thermal seal and prevent refrigerant bypass between cylinder banks

the ABB PowerLine series switch offers a quick-make

Operating on a 230V 1-phase 50/60Hz electricity supply

Should I use thermal paste with this well

York S1-7660-3591 Limit 326058-757 Ensure there are no carbonThe York S1 7660 3591 is a precision calibrated bimetal high limit switch replacement designed for high cycle reliability in residential and light commercial furnaces. This safety critical L150 20F limit control is engineered with a snap acting disc that opens the burner circuit at a 150F operating threshold and automatically closes at a 130F reset point. As a direct fit Johnson Controls HVAC part, this unit serves as the factory authorized