White-Rodgers 3L09-11 Limit Switch Frequent tripping is often indicative

Frequent tripping is often indicative of restricted airflow

this universal thermocouple provides the necessary sensitivity and millivolt signal to ensure the gas valve remains open during safe operation and drops out quickly upon pilot failure

Common Questions What causes a B1370187 limit switch to trip frequently

Using this on a 7000 or 7100 series valve will result in improper pressure regulation

This assembly is compatible with various Utica and Dunkirk boiler models that utilize a standing pilot

White-Rodgers 3L09-11 Limit Switch Frequent tripping is often indicativeProfessional grade White Rodgers 3L09 11 board mounted limit switches provide critical high limit protection for furnace and air handling systems. As a veteran trusted fixed temperature limit switch, this 1 2" bimetal disc control features a fixed open temperature of 210F and a fixed close temperature of 170F. Its Open on Rise switch action ensures immediate contact separation whenever thermal thresholds are exceeded, protecting residential and