the switch must be replaced to restore power to the heater control circuit

While it may fit various models within the Lennox and Armstrong brands

it is professionally recommended to strictly follow the manufacturer's wiring diagram to maintain the electrical integrity of the safety loop

Ensure your existing valve stem hardware is intact or order a replacement clip set if the original is corroded

Combustion Efficiency: Maintains proper manifold pressure and burner performance to prevent soot buildup and inefficient fuel consumption

Wayne Combustion 31156 Kit-Tune Up/Repair the switch must be replacedThe Wayne Combustion 31156 Tune Up Repair Kit is a comprehensive OEM field service solution engineered for high performance maintenance of Wayne oil burner models including the M, MSR, MH, ER, ERA, EH, EHA, EHASR, OE, and OEA series. This kit provides technicians with the critical ignition and drive components required to restore combustion efficiency and ensure stable flame patterns in residential and commercial heating applications. Replacing worn