The internal Schrader valve and premium O-ring seals ensure a tight closure

Constant Duty Rating: Engineered for continuous operation in demanding Ray Burner systems

Integrating this HVAC safety switch ensures your system maintains optimal thermal regulation across a variety of compatible York models

Common Questions What is the purpose of the blower door safety switch

Integrated Heat Assistance: The 1-watt internal heater minimizes temperature overshoot for more stable operation

Rheem-Ruud SP12143 Ignitor Els PW 17895 The internal Schrader valve andThe Rheem Ruud SP12143 Ignitor is a high performance Hot Surface Ignitor (HSI) engineered specifically for the Advantage Plus series gas appliances. This silicon carbide ignitor provides a reliable, rapid heating source to ensure clean combustion and consistent ignition cycles in gas fired water heaters and furnaces. Operating at 110V 120V AC, the SP12143 is a critical OEM replacement part that maintains the precise operational tolerances required for