Proper orifice sizing is essential for maintaining flame stability and preventing incomplete combustion or soot buildup within the heat exchanger

F) and close again once it has cooled to the lower threshold (230

This 6-foot assembly features 14/3 SJTW cabling

Is the HH12ZB180 compatible with other brands

utilizing this HVAC fan limit control ensures the system adheres to factory specifications for airflow timing and component protection

York S1-025-31927-000 Limit Switch Proper orifice sizing is essentialThe York S1 025 31927 000 Auto Limit Switch is a high precision OEM furnace safety control designed to monitor and regulate internal heat exchanger temperatures. This SPST temperature control features a 5 8 inch footprint and is engineered to protect HVAC equipment by opening the circuit at 240F and automatically resetting (closing) when the temperature drops to 155F. Built for heavy duty York gas furnace and heat pump applications, such as the FRHS