York S1-7624A3591 Limit Switch Clean Minimalist Design: No-logo black

Clean Minimalist Design: No-logo black finish provides a uniform look for serviced equipment

ensuring a precision fit that eliminates bypass leaks and prevents erratic feeder behavior in condensate receiver tanks

which serves as the "brain" for larger main valves in pilot-operated systems

This often indicates the sensor is fouled or unable to send the necessary flame rectification signal back to the control board

York S1-7624A3591 Limit Switch Clean Minimalist Design: No-logo blackThe York S1 7624A3591 Limit Switch is a high precision, manual reset upper limit safety control engineered for gas fired heating systems. Designed to open at a fixed lockout temperature of 180F, this L180 manual reset switch serves as a critical fail safe, cutting power to the burner circuit to prevent heat exchanger damage or flame rollout in the event of a blower failure or restricted airflow. As a genuine furnace limit switch replacement, it