Service Kit (non-deluxe for HS burner), can be used on the CB 90 HS, CB 85 HS, or CB 90 HPB-Air burners. Furnace models include; CB 90 AA, CB 90 AH, CB 90 BH, CB 90 CH, CB 90 DH, CB 86 AH, CB 86 BH, CB 85 C, or CB 85 D. The following parts are includes: Pair of HS Electrodes Diaphragm, for Oil Regulator, Solenoid Nucleus w/spring, Solenoid O-ring, Air Regulator Filter, Air Bowl O-ring, Nozzle Adapter O-ring, These are the basic minimum parts needed. See the picture for further description of parts included.