This is a hot surface ignitor for modern, pilotless gas furnaces that use hot glow ignitors.
It is the direct replacement for most all Rheem/ Ruud/ Weatherking furnaces.
Replaces many models.
It can work on Trane, Carrier, Nordyne, or any model that has the same white, ceramic base with a slot in the middle for the mounting screw.
Plug fits Nordyne and others
You just need to move the wires to the old plug, (for some applications) or straight wire it, by-passing the plug . (note; all hot surface ignitors are compatible. It is only a matter of fitting the wire plugs and mounting properly) I have done this many times, and it works fine. I can provide tech support, it needed. (214) 557-4906