What are the specs for this Control Board?

The correct replacement for ICP model RGS243SFFA0AAAA — OEM Integrated Ignition Board Kit | 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 RGS243SFFA0AAAA — OEM Integrated Ignition Board Kit | Ships Today.

ICP

ICP Furnace Control Board for RGS243SFFA0AAAA — OEM Integrated Ignition Board Kit | Ships Today

Name: ICP Furnace Control Board for RGS243SFFA0AAAA — OEM Integrated Ignition Board Kit | Ships Today
Brand: ICP
SKU: 1183618
Price: 240.44 USD
Availability: InStock

SKU: 1183618 Brand: ICP

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Overview

This OEM control board kit is the brain of the ICP/Tempstar/Heil RGS243SFFA0AAAA gas furnace. It manages the ignition sequence, blower and inducer timing, safety interlocks (pressure switch, limit, flame sense), and diagnostic fault codes. When the board fails, the furnace may be completely dead, fail to ignite, short-cycle, or flash error codes. OEM part number 1183618 (KIT CONTROL BOARD) is supplied as a complete kit for a correct, reliable replacement that preserves factory timing and safety logic.

Specifications

Spec	Value
Part Number	1183618
Type	Integrated Furnace Control Board Kit
Brand	ICP (Tempstar / Heil)
Function	Ignition, Blower & Safety Control
Fit	OEM Direct Replacement

Compatibility

Designed as a direct-fit replacement for the ICP / Tempstar / Heil RGS243SFFA0AAAA gas furnace and related RGS243 series furnaces specifying control board kit 1183618. Verify your model and existing board part number before ordering.

Installation Guide

Safety First — Disconnect power at the furnace switch and breaker. Verify zero voltage with a multimeter.
Access — Remove the blower/control compartment service panel.
Document — Photograph every wire and connector on the old board before disconnecting — terminal placement is critical.
Remove — Unplug all connectors, remove the board mounting screws, and lift out the old control board.
Install — Mount the new board, then reconnect each harness exactly per your photos. Confirm no pins are bent or mis-seated.
Test — Restore power, run a full heat cycle, and verify the diagnostic LED shows a normal status with proper ignition and blower operation.

Signs You Need a Replacement

Furnace completely unresponsive with power confirmed at the board
No ignition sequence or inducer/blower fails to start
Short-cycling or random shutdowns
Diagnostic LED flashing a control/hardware fault code

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 RG...

$240.44

Frequently Asked Questions

Does this Control Board fit my ICP RGS243SFFA0AAAA — OEM Integrated Ignition Board Kit | Ships Today?

Yes. This is the factory-specified OEM control board for the ICP RGS243SFFA0AAAA — OEM Integrated Ignition Board Kit | 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 RGS243SFFA0AAAA — OEM Integrated Ignition Board Kit | 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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