Rheem/Protech 45-42522-101 - Wiring Harness - Rheem/Ruud/Protech - A complete line of OEM and factory replacement parts for your furnace; air conditoner; water heater; air handler; boiler; rooftop unit and more. Where Used Model: Part: Page: RJNL-C 45-42522-101 Electrical Group 036-072 RJNL-C 45-42522-101 Electrical Group 090-120 (1) RJNL-C 45-42522-101 Electrical Group 090-120 (2) RJPL-C 45-42522-101 Electrical Group 036-060