ICP Furnace Control Board Kit for RGS180HDAA0AAAA — OEM Replacement | Ships Today

Overview

This is the genuine OEM integrated furnace control board kit (P/N 1183618) for the ICP/Heil/Tempstar RGS180HDAA0AAAA gas furnace. The control board is the brain of the furnace — it sequences ignition, monitors safety inputs (limit and pressure switches, flame sensing), runs the inducer and blower timing, and communicates fault codes via its diagnostic LED. The kit ships as a complete assembly for a direct replacement. Control boards fail from voltage surges, cracked solder joints, blown relays, or corroded connectors, producing symptoms ranging from a dead furnace to erratic blower behavior and flashing error codes.

Specifications

Compatibility

Engineered for the ICP RGS180HDAA0AAAA and the shared Heil, Tempstar, and Comfortmaker furnace platform. Always cross-reference the OEM part number on your existing board before ordering.

Installation Guide

1. Safety First — Disconnect power at the furnace switch and breaker; verify zero voltage with a multimeter.
2. Access — Remove the blower compartment door to expose the control board.
3. Document — Photograph every connector and wire position before disconnecting.
4. Remove — Unplug all harnesses and unscrew the board from its standoffs.
5. Install — Mount the new board and reconnect each harness exactly per your photo.
6. Test — Restore power, run a full heat cycle, and confirm normal sequencing with no fault codes.

Signs You Need a Replacement

• Furnace completely dead with no diagnostic LED
• Continuous or erratic error-code flashing
• Blower or inducer running at the wrong times
• Visible burn marks, corrosion, or a failed relay on the board

Shipping & Returns

Ships same day on orders placed before 3 PM CST. 30-day returns on unused parts. Backed by the National HVAC Parts fitment guarantee.