Reznor 121866 Thermal Switch including solenoids

including solenoids

Once the system cools to the 96°F reset point

38" WC differential atmospheric pressure monitoring in York residential and commercial furnaces

A compromised gasket can lead to "short-cycling" or failure of the low water cut-off to trip the burner circuit

Compatible with HCFC

Reznor 121866 Thermal Switch including solenoidsFor veteran contractors servicing industrial heating equipment, the Reznor 121866 Thermal Switch is a critical OEM component designed for high precision fan control and limit protection. This F190 30F thermal thermostat is engineered to monitor internal cabinet temperatures, ensuring the blower activates only when the heat exchanger reaches an optimal 190F. By deactivating the blower once temperatures drop below 30F, this switch prevents the