What are the specs for this Control Board?

The correct replacement for ICP model RGS300HRAA0AAAA — OEM Ignition Control | 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 RGS300HRAA0AAAA — OEM Ignition Control | Ships Today.

ICP

ICP Furnace Control Board Kit for RGS300HRAA0AAAA — OEM Ignition Control | Ships Today

Name: ICP Furnace Control Board Kit for RGS300HRAA0AAAA — OEM Ignition Control | Ships Today
Brand: ICP
SKU: 1183618
Price: 245.70 USD
Availability: InStock

SKU: 1183618 Brand: ICP

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Overview

This OEM control board kit (part 1183618) is the brain of your ICP/Tempstar/Heil RGS300HRAA0AAAA gas furnace. The integrated furnace control manages the entire heating sequence: it reads the thermostat call, runs the inducer and pressure-switch safety checks, energizes the hot surface igniter, opens the gas valve, proves flame, and times the blower on/off cycles. When the board fails, the furnace can lock out, short-cycle, run the blower continuously, or fail to start at all. Shipped as a complete kit for a clean OEM replacement.

Specifications

Spec	Value
Part Number	1183618
Type	Integrated Furnace Control Board Kit
Brand	ICP / Tempstar / Heil
Control Voltage	24V
Function	Ignition, Safety, & Blower Timing Control
Fitment	OEM Replacement Kit

Compatibility

Built for the ICP RGS300HRAA0AAAA and the Tempstar, Heil, and Comfortmaker furnaces that share this control platform. Confirm the board layout, connector positions, and kit contents against your existing assembly before installing.

Installation Guide

Safety First — Disconnect electrical power and shut off gas, then verify zero voltage with a multimeter.
Access — Remove the furnace control-compartment service panel.
Document — Photograph every harness and connector on the old board before unplugging anything.
Remove — Unplug each connector, remove the mounting screws, and lift out the failed board.
Install — Mount the new board from the kit and transfer each harness to the matching connector per your photo.
Test — Restore gas and power, call for heat, and watch a full ignition-to-blower cycle complete without fault codes.

Signs You Need a Replacement

Furnace dead with no response to a thermostat call
Repeated ignition lockouts or fault-code flashes from the board LED
Blower runs continuously or won't run at all
Short-cycling or erratic sequencing despite good igniter, valve, and switches

Shipping & Returns

Ships same day on orders placed 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 Kit fo...

$245.70

Frequently Asked Questions

Does this Control Board fit my ICP RGS300HRAA0AAAA — OEM Ignition Control | Ships Today?

Yes. This is the factory-specified OEM control board for the ICP RGS300HRAA0AAAA — OEM Ignition Control | 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 RGS300HRAA0AAAA — OEM Ignition Control | 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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