ICP Furnace Control Board for RGS101LDCB0AAA — OEM Kit 1183618 | Ships Today
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Overview
This genuine OEM Control Board Kit (Part No. 1183618) is the brain of the ICP/Tempstar/Heil RGS101LDCB0AAA gas furnace. The integrated furnace control sequences the entire heat cycle — inducer, igniter, gas valve, and blower — while continuously monitoring the pressure switch, flame sensor, and limit safeties. It also runs the cooling fan and provides diagnostic LED fault codes. Boards fail from voltage surges, lightning, overheated relays, and corroded traces, producing symptoms that mimic many other parts: no ignition, no blower, short cycling, or a unit that's completely dead. This kit includes the board and mounting hardware needed for a clean swap.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1183618 |
| Type | Integrated Furnace Control Board Kit |
| Brand | ICP (Tempstar / Heil) |
| Control Voltage | 24 VAC |
| Functions | Ignition, blower, inducer, safety monitoring, diagnostics |
| Fitment | OEM exact-fit |
Compatibility
Built for the ICP RGS101LDCB0AAA and shared-platform Tempstar, Heil, and Comfortmaker furnaces using this integrated control. Match the board's part number and connector layout to your existing unit before installing.
Installation Guide
- Safety First — Disconnect power and shut off gas; verify zero voltage with a multimeter.
- Access — Remove the furnace control-compartment door.
- Document — Photograph every harness plug and wire location before disconnecting — this is critical for a control board.
- Remove — Unplug each connector, remove the mounting screws, and lift out the old board.
- Install — Mount the new board, transfer each connector to the identical position per your photos, and set any DIP switches to match the original.
- Test — Restore gas and power, run a full heat and cool cycle, and confirm no fault codes on the diagnostic LED.
Signs You Need a Replacement
- Furnace completely dead with no diagnostic LED
- No response on a call for heat despite good igniter and gas valve
- Blower or inducer that won't run or won't shut off
- Erratic short cycling or visibly burned relays/scorched traces on the board
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