This silicon carbide hot surface ignitor replaces most applications on Rheem, Ruud, and Weatherking furnaces. This part is a direct replacement. It will fit exactly and requires no adapters or wiring changes. This ignitor replaces both the Norton 201 and 271 types used on Rheem, Ruud, and Weatherking furnaces. This part WILL NOT fit the -GEC and -GED "Drum" furnace models. This parts replaces part numbers 62-22441-01, 62-22548-01, 62-22868-01, 62-22868-02, 62-22868-82, 62-22868-92, 62-22868-93S, 62-22869-01, 62-23460-01, and 8553-5514. These ignitors are extremely fragile and should be handled with care. Do not touch the grey ignitor portion with bare hands, the oil in your fingers can cause a "hot spot" and lead to premature failure. This part is covered by the exclusive Duralight two year limited replacement policy. If this part fails within two years from date of purchase, return the defective part and a copy of the original invoice to the place of purchase for replacement. Contact the authorized Duralight dealer that you purchased the part from for details. Original equipment manufacturer's brand name(s) and part numbers are used for identification purposes only. This item is supplied by OneTrip Parts and meets or exceeds original equipment specifications.