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White-Rodgers 21V51U-843 - Universal Two-Stage Variable-Speed Furnace Control Kit

White-Rodgers

White-Rodgers 21V51U-843 - Universal Two-Stage Variable-Speed Furnace Control Kit

$450.00
Condition: NewFree ShippingIn Stock

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In-stock orders placed by 2 PM ET on business days ship the same day. Free shipping on every continental US order. Estimated delivery 3–5 business days via USPS, UPS, or FedEx (carrier selected at our discretion).

  • Same-day shipping on in-stock orders placed by 2 PM ET (business days)
  • Estimated delivery 3–5 business days, continental US only
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  • 30-Day Returns

Product Description

Overview

Universal two-stage hot-surface ignition furnace control replacement kit for variable-speed ECM circulator applications.

Key Features

  • Universal two-stage replacement
  • Variable-speed ECM circulator support
  • Hot-surface ignition control
  • Designed to replace compatible White-Rodgers two-stage controls

Specifications

  • Stages: Two stage
  • Ignition: Hot surface ignition
  • Circulator: Variable-speed ECM

Applications

  • Gas-fired furnace control replacement
  • HVAC service and repair

Cross References

Confirm against the original part number and equipment documentation.

Fitment Note

Confirm against your original part number and equipment specifications before ordering.

Shipping & Returns

Ships from Cooling Parts Supply. See our shipping and returns policy for current handling times, carriers, and return windows.

Specifications

BrandWhite-Rodgers
Product TypeIntegrated Furnace Controls
SKU21V51U-843
ConditionNew

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