Dunkirk 14631312 Pressure Switch, Q90-100Draft Inducer Temperature Safety SwitchDraft Inducer Temperature Safety Switch is a disc thermostat (180 °F setpoint) located on induced draft fan outlet port. Switch protects inducer and vent pipe from potential high temperature condition for discharging flue gases. Condition would typically be result of higher high limit control setting or over firing. Temperature safety switch automatically resets when the vent temperature decreases. (15 °F switch differential).
