York S1-025-32706-000 Switch 320788-702 This control requires a C554A

This control requires a C554A Cadmium Sulfide Flame Detector (Cad Cell) to monitor the burner flame effectively

significantly reducing the risk of bearing failure

making it the standard choice for maintaining older ICP and Carrier-branded equipment

The Trane TCONT103AN21HA is a professional-grade

This unit features a built-in 45-second delay on break

York S1-025-32706-000 Switch 320788-702 This control requires a C554AThe York S1 025 32706 000 Switch is a high precision OEM replacement heating limit switch engineered to maintain critical safety parameters in York residential HVAC and light commercial systems. This specific automatic reset limit switch is calibrated to open at 150F and close at 120F, effectively interrupting the electrical circuit to the burner or heating elements when internal plenum temperatures exceed safe operating thresholds. For field service