It is not a universal thermocouple

Can I bypass this overload for testing purposes

this high-temperature gasket prevents flue gas leakage and ensures proper static pressure within the blower housing

or the furnace short cycling—shutting down shortly after ignition before reaching the thermostat setpoint

What are the wiring positions for the White-Rodgers 90-466

White-Rodgers 3L09-6 Limit Switch It is not a universalThe White Rodgers 3L09 6 Limit Switch is a professional grade 1 2 inch bimetal disc thermal control engineered for high reliability HVAC high limit protection. This board mounted component features precise open on rise switch action, calibrated to trigger at a 170F fixed open temperature and automatically reset at 130F. Designed with a 3. 12 inch insertion length, it ensures deep penetration into the plenum for accurate air temperature sensing, making