Emerson 21V51U-843 Universal Integrated Furnace Control Kit with Variable Speed Circulator
Key features
- •Variable speed circulator output for ECM (Electronically Commutated Motor)
- •Dipswitch selectable for OEM applications two-speed inducer output, two-stage gas valve output
- •Pushbutton fault history retrieval
- •Heat fan off delay (dipswitch selectable), fan on delay for cooling, and auto second-stage delay
- •Includes 21D64-2 Silicon Nitride ignitor kit, module and wiring harness
Emerson 21V51U-843 Universal Integrated Furnace Control Kit with Variable Speed Circulator
List Price: $225.20$202.68DEALYou Save: $22.52 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 23, 2026In Stock (8)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection
