The MA159 is designed for use with McDonnell & Miller Series 42A

Operating at a 208-240V coil voltage

matching the original equipment manufacturer (OEM) specifications to restore your machine to factory performance levels without specialized modifications

7" diameter and multi-tap wiring configuration

featuring the same 1/4 inch flare connection and robust bellows design that resists vibration and pressure pulsations

Auburn WFR-4-7 1/2 Ignitor Freon The MA159 is designed forThe Auburn WFR 4 7 1 2 Ignitor is a high performance flame rod designed for precision industrial burner ignition and consistent flame sensing. Featuring a 7. 5 inch ignitor probe, this component is engineered to withstand extreme thermal stress within HVACR combustion chambers. The WFR series is renowned for its ceramic insulation and high nickel alloy construction, ensuring reliable electrode performance in high heat applications. This replacement