ICP Furnace Control Board Kit for RGS102LTCA0AAA – OEM Replacement | Ships Today

Overview

This OEM control board kit (part 1183618) is the integrated furnace control (IFC) for the ICP/Heil/Tempstar RGS102LTCA0AAA gas furnace. The board is the brain of the unit — it sequences the entire heating cycle, energizing the inducer, igniter, gas valve, and blower in the correct order while continuously monitoring the pressure switch, flame sensor, and limit safeties. It also runs the blower for cooling and continuous-fan calls. When the board fails you may see no response to a heat call, short cycling, a blower that won't shut off, or flashing fault codes. Supplied as a kit for a complete, correct replacement, the OEM board matches the original firmware and connector layout so the sequence and diagnostics work exactly as designed.

Specifications

Compatibility

Built for the ICP/Heil/Tempstar RGS102LTCA0AAA gas furnace and related Comfortmaker-family models using this integrated furnace control. Match the part number and connector layout to 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 furnace control/blower compartment panel.
3. Document – Photograph every connector and wire on the old board before unplugging.
4. Remove – Unplug each harness, release the board standoffs, and lift out the old control.
5. Install – Mount the new board on the standoffs and reconnect every harness to its matching terminal per your photo.
6. Test – Restore power, call for heat, and confirm the full ignition and blower sequence with no fault codes.

Signs You Need a Replacement

• No response from the furnace on a heat call
• Flashing diagnostic fault codes at the board LED
• Blower runs constantly or won't start
• Short cycling or erratic, out-of-sequence operation

Shipping & Returns

Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.