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

This specific Type 36T model is calibrated to open at 140F on temperature rise and automatically close at 110F

If the furnace blower runs continuously while the burners fail to ignite

The White-Rodgers 3L09-23 is calibrated to open the circuit at a fixed 170°F and is not adjustable

Industrial Durability: Solid brass construction resists fatigue and stress corrosion cracking

White-Rodgers 3L09-6 Limit Switch this high-temperature gasket prevents flueThe 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