Description

Rheem 21V51U-843 Universal Two Stage HSI Furnace Control Kit – Variable Speed (ECM) Circulator replaces .Includes 50V51-843 ignition control module, 21D64-2 ignitor kit, and a set of interconnection harnesses for Goodman Provides proper signals to 5 different manufacturer ECMs for maximum control replacement coverage Includes a universal 120V nitride ignitor to allow replacement of 80V and 120V controls Advanced diagnostics through a Tri-color LED with push-button fault recall and a CFM LED indicator 120V air cleaner output and 120V humidifier output up to 1 Amp max Factory standard safety timings and adjustable fan delay options Replaceable automotive style fuse