White-Rodgers 21V51U-843|WR21V51U-843 - Universal Integrated Furnace Control Two
Item #:
WR21V51U-843
Product Info
White-Rodgers
21V51U-843
Universal Integrated Furnace Control Two Stage Hot Surface Ignition For 3 Speed (ECM Blower Motor Systems). Includes 21D64-2 Universal Silicon Nitride Ignitor Upgrade Kit. Replaces White-Rodgers 50V51-xxx And 50V61-xxx Two-Stage HSI Systems with 80V or 120V Ignitors