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...
Universal Single Stage HSI Integrated Furnace Control for PSC & ECMx Blower Motors. Includes Universal 120V Silicon Nitride Ignitor and Utilizes the White-Rodgers Connect App for simple...
NEW UPDATE - Universal Two-Stage Furnace Control Kit Includes 120V Nitride Ignitor 21D64-2 for 80V And 120V Hot Surface Ignition and PSC Blowers. Now Replaces 50A51, 50M51 and 50M61 Applications...