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

reducing downtime for commercial clients

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

Enhanced Safety Compliance: Restores the factory-intended safety interlock

Facilitates a seamless fit as the direct superseding part for legacy model S1-024-27640-000

York S1-025-31927-000 Limit Switch F) and close again onceThe 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