Wayne Combustion 14289 Cad Cell 340793-762 this high-limit control monitors the

this high-limit control monitors the internal heat exchanger temperature to prevent overheating

When diagnosing 24V control circuit failures

replacing a warped or corroded mounting bracket with the S21535 is essential for preventing burner vibration and ensuring long-term structural integrity of the heat exchanger assembly

Dual-Primary Flexibility: Supports both 208V and 240V primary taps to match specific site electrical requirements

Direct Replacement: Simplifies air conditioner service by matching the exact specifications of original factory components

Wayne Combustion 14289 Cad Cell 340793-762 this high-limit control monitors theThe Wayne Combustion 14289 Cad Cell is a direct OEM replacement flame sensor designed for high performance oil burner applications, including M, MSR, MH, ERA, EH, HS, and EHASR series models. Featuring a 15 inch lead and a pre installed 17 bracket, this cadmium sulfide (CdS) photoconductive detector provides critical visual flame monitoring for primary safety controls. It is engineered to drop resistance below 1600 ohms upon sensing a stable yellow or