ensuring the rated torque is fully transferred to the valve ball

or a failing blower motor capacitor before assuming the switch itself is defective

Designed for high-cycle reliability in Intertherm and Miller furnaces

low-profile look suitable for diverse commercial interiors

Durable steel construction maintains tension under continuous thermal cycles

Trane THT2437 Limit Switch ensuring the rated torque isThe Trane THT2437 Limit Switch is a high precision, OEM furnace safety control designed to maintain thermal integrity within Trane and American Standard heating systems. This automatic reset limit switch operates as a critical safety thermostat, featuring a calibrated 190F open temperature to interrupt the burner circuit during over temperature conditions and a 160F close temperature for system re engagement. Engineered with 7 inches of insulation,