If the spark is jumping to ground rather than the gas stream

For stable operation

Precision Calibration: Factory-set trip points offer accurate response times compared to generic universal alternatives

but if the ceramic insulator is cracked or the metal rod is pitted

making it a drop-in replacement for standard air conditioning and heating contactors

Daikin-McQuay 802005013 Switch Els PW 17895 If the spark is jumpingThe Daikin McQuay 802005013 Switch is a critical 3 position push button switch engineered for precise control within commercial and industrial HVACR systems. As a genuine OEM replacement part, this component is designed to maintain the integrity of Daikin and McQuay equipment, ensuring field reliable switching between operational modes. This switch is frequently utilized in fan coil units and air handlers to regulate fan speeds or temperature