- New
525033 is a Suburban replacement ignition electrode, also identified as part 231931, designed for select NT-series propane furnaces in recreational vehicles. It generates the spark needed to ignite the burner and helps detect the presence of a flame during operation. Compatible models include the NT-12S, NT-16S, NT-20S, NT-12SE, NT-16SE and NT-20SE with serial numbers above 000303844. The gasket is not included. Verify your furnace model and serial number before ordering.