ICP Control Board Kit for RGS243HEEA0AAAA — OEM Furnace Board | Ships Today
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Overview
This OEM control board kit (part 1183618) is the complete integrated furnace control replacement for the ICP / Tempstar / Heil RGS243HEEA0AAAA. The control board is the brain of the furnace — it manages the ignition sequence, monitors safety switches and flame sensing, sequences the inducer and blower, and times each stage of operation. When the board fails you may see no response to the thermostat, blank or flashing diagnostic LEDs, failure to ignite, or a blower that runs constantly. This kit ships with the OEM board and required hardware for a direct factory-spec replacement.
Specifications
| Spec | Value |
|---|---|
| OEM Part Number | 1183618 |
| Type | Integrated Furnace Control Board Kit |
| Brand | ICP / Tempstar / Heil |
| Control Voltage | 24 VAC |
| Includes | Control board + mounting hardware |
| Fitment | OEM direct replacement |
Compatibility
Engineered for the ICP/Tempstar/Heil RGS243HEEA0AAAA and shared RGS-platform furnaces using the same control. Match the OEM kit number to your existing board before ordering.
Installation Guide
- Safety First — Disconnect power at the switch and breaker; verify zero voltage with a multimeter.
- Access — Remove the furnace control compartment panel.
- Document — Photograph every wire harness and terminal on the board before disconnecting.
- Remove — Unplug the connectors, release the board from its standoffs, and lift it out.
- Install — Mount the new board and reconnect each harness exactly per your photo.
- Test — Restore power, run a full heat cycle, and verify the diagnostic LED shows normal operation.
Signs You Need a Replacement
- No response from the furnace on a thermostat call
- Blank, flashing, or error-code diagnostic LED
- Blower runs continuously or fails to start
- Intermittent ignition or random lockouts
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