What are the specs for this Control Board?

The correct replacement for ICP model WAHM482A1 — OEM 1172975 | 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 WAHM482A1 — OEM 1172975 | Ships Today.

ICP

ICP Fan Coil Control Board for WAHM482A1 — OEM 1172975 | Ships Today

Name: ICP Fan Coil Control Board for WAHM482A1 — OEM 1172975 | Ships Today
Brand: ICP
SKU: 1172975
Price: 245.70 USD
Availability: InStock

SKU: 1172975 Brand: ICP

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Overview

The ICP OEM Fan Coil Control Board (part number 1172975) is the main logic module for the WAHM482A1 air handler. It manages blower operation, reads thermostat demand, sequences the indoor fan with heating and cooling calls, and protects the unit through onboard relays and diagnostics. A failing board can leave the air handler completely dead, cause the blower to never start or never stop, produce intermittent operation, or stop the unit from responding to the thermostat. Because this board governs every electrical function of the fan coil, a bad board frequently imitates other component failures — installing the correct factory replacement restores dependable, safe operation.

Specifications

Spec	Value
Part Number	1172975
Type	Fan Coil Control Board
Brand	ICP (Tempstar / Heil)
Fit	OEM
Application	Air Handler / Fan Coil
Designed For	WAHM482A1

Compatibility

This control board is the factory replacement for the ICP/Tempstar/Heil WAHM482A1 fan coil air handler and related WAHM-series units that originally shipped with board 1172975. Verify the printed part number on your existing board before installing.

Installation Guide

Safety First — Disconnect power at the breaker and verify zero voltage with a multimeter before opening the unit.
Access — Remove the air handler service/blower panel to reach the control box.
Document — Photograph every wire and connector position on the existing board before disconnecting.
Remove — Unplug the harness connectors, release the board standoffs or screws, and lift out the old board.
Install — Seat the new 1172975 board on the standoffs and reconnect each harness exactly as photographed.
Test — Restore power, run a heat and cool call, and confirm correct blower sequencing and diagnostics.

Signs You Need a Replacement

Air handler does not respond to the thermostat at all.
Blower will not start, or runs nonstop and won't shut off.
Intermittent operation, random resets, or fault codes on the board LED.
Burnt relays, scorch marks, or corrosion visible 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 Fan Coil Control Board for W...

$245.70

Frequently Asked Questions

Does this Control Board fit my ICP WAHM482A1 — OEM 1172975 | Ships Today?

Yes. This is the factory-specified OEM control board for the ICP WAHM482A1 — OEM 1172975 | 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 WAHM482A1 — OEM 1172975 | 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.

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