The TF5 electrical rating signifies that this unit requires a 200/230V

This sensor utilizes a high-accuracy NTC thermistor curve to relay resistance data

these Buna-N gaskets are rated for use with natural gas and propane systems

This 6-pin plastic connector is keyed for alignment

This model serves as the direct replacement for 024-20045-000

York S1-026-34027-000 Roll Out Switch The TF5 electrical rating signifiesThe York S1 026 34027 000 Roll Out Switch is a critical furnace safety limit designed to detect abnormal combustion conditions. As a specialized bimetal flame rollout limit switch, it monitors the burner area for escaping flames or "rollout" caused by heat exchanger failure, restricted venting, or flue blockages. Rated for 300 degrees Fahrenheit, this manual reset switch terminates the electrical circuit to the gas valve when thermal thresholds are