What are the specs for this Control Board?

The correct replacement for ICP model WFAR100C066B1 – OEM 1184783 | Ships Today is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your ICP equipment which lists the model number WFAR100C066B1 – OEM 1184783 | Ships Today.

ICP

ICP Furnace Control Board for WFAR100C066B1 – OEM 1184783 | Ships Today

Name: ICP Furnace Control Board for WFAR100C066B1 – OEM 1184783 | Ships Today
Brand: ICP
SKU: 1184783
Price: 246.94 USD
Availability: InStock

SKU: 1184783 Brand: ICP

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

Overview

The control board is the brain of your ICP / Heil / Tempstar WFAR100C066B1 air handler. It manages blower timing, relay sequencing, safety interlocks, and communication between the thermostat and the system's components. This OEM board (part 1184783) is a direct factory replacement. A failed board often produces a no-response system, a blower that won't start or won't shut off, erratic cycling, or visible scorch marks and failed relays on the board itself. Replacing the board restores correct sequencing and safe operation.

Specifications

Spec	Value
Part Number	1184783
Type	Integrated Control Board
Brand	ICP / Heil / Tempstar
Function	Blower timing, relay & safety control
Fits Model	WFAR100C066B1

Compatibility

Direct OEM replacement for the ICP, Tempstar, Heil, and Comfortmaker WFAR100C066B1 air handler / fan coil. Match the board's part number and connector layout to your existing unit before installing.

Installation Guide

Safety First – Disconnect power at the breaker and verify zero voltage with a multimeter.
Access – Remove the service panel to reach the control board.
Document – Photograph every harness and plug position before disconnecting.
Remove – Unplug each connector, release the mounting standoffs, and lift out the old board.
Install – Seat the new board on the standoffs and reconnect every harness per your photo.
Test – Restore power and run a heat/cool cycle to confirm correct sequencing.

Signs You Need a Replacement

System completely unresponsive to the thermostat
Blower won't start or won't shut off
Erratic or random cycling
Burn marks, melted relays, or blown traces on the board

Shipping & Returns

Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.

Shipping Information

Orders placed before 3PM CST ship same business day
Standard delivery: 2-5 business days
Express shipping available at checkout
Free shipping on orders over $75
Tracking number emailed upon shipment

Return Policy

30-day returns on unused parts in original packaging
Electrical parts (capacitors, contactors, control boards) are final sale once installed
Email info@nationalhvacparts.com to initiate a return
Refunds processed within 5-7 business days

ICP Furnace Control Board for WF...

$246.94

Frequently Asked Questions

Does this Control Board fit my ICP WFAR100C066B1 – OEM 1184783 | Ships Today?

Yes. This is the factory-specified OEM control board for the ICP WFAR100C066B1 – OEM 1184783 | Ships Today. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.

How do I replace the control board on my ICP WFAR100C066B1 – OEM 1184783 | Ships Today?

Difficulty: Advanced (1–2 hrs)
Step 1: Turn off breaker. Step 2: PHOTOGRAPH all wire connections before touching anything. Step 3: Label each wire with tape. Step 4: Disconnect all wires, remove old board. Step 5: Mount new board, reconnect all wires matching your photo exactly. Step 6: Restore power and test all modes. Exact part number match is critical.

My HVAC system is completely dead. What could be wrong?

Completely dead HVAC (no LED on board) = failed control board or blown fuse. Check board fuse first (3A or 5A, costs $1–$5). If fuse is good and board has power but no LED, board is dead. Always photograph wiring before replacing.

Is this control board compatible with Bryant or Payne too?

Many ICP parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.

Should I use OEM or aftermarket for my ICP control board?

OEM essential. Control boards are model-specific with precise firmware and connector layouts. Aftermarket boards rarely match all functions and can cause intermittent failures or safety issues. Always match the exact OEM part number.

How fast does National HVAC Parts ship?

Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.

Menu