White-Rodgers 3L09-11 Limit Switch this universal thermocouple provides the

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

This component features a #42 drill size with a verified

Common Questions What causes a B1370187 limit switch to trip frequently

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

Professional Grade: Heavy-duty construction designed for the high-temperature demands of gas-fired water heating systems

White-Rodgers 3L09-11 Limit Switch this universal thermocouple provides theProfessional 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