Description

Rheem 21M51U-843 Universal Two Stage HSI Furnace Control Kit – 3-Speed (PSC) Circulator replaces .Reduces inventory by replacing most White-Rodgers 50A51, 50M51, and 50M61 and other two-stage HSI controls with 80V or 120V ignitor. Includes a universal 120V nitride ignitor to allow replacement of 80V and 120V controls Diagnostic LED indicators streamline installation and system troubleshooting 120V air cleaner output and 120V humidifier output up to 1 Amp max Added dipswitches to trial for ignition and blower delays Additional blower motor wire extensions Trane ignitor mounting bracket is included