Wayne Combustion 100610 SER12V Valve R 134A The York S1 373 18761 000 Motor Adapter The York S1 373 18761 000 Motor Adapter Plate is a precision engineered HVAC replacement part designed for secure motor mounting within specific air handlers and furnace blower assemblies The furnace control board and wiring are specifically designed for 2 stage logic How do I know if the oil valve is failing • OEM style Wayne combustion fuel oil solenoid valve• SUN R261N configuration operating on 12VDC control power• Maintains precise fuel delivery during burner ignition cycles• Helps prevent post shutoff fuel dribble and flooding• Supports stable combustion and consistent nozzle spray• Direct replacement for worn or sticking oil control valves