ICP Control Board Kit for RGS091HTCB0AAA — OEM Furnace Ignition Control | Ships Today
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Overview
This is the genuine ICP control board kit (part 1183618) for the RGS091HTCB0AAA gas furnace. The integrated furnace control board is the brain of the system: it sequences ignition, manages the inducer and blower motors, monitors safety devices such as the limit and pressure switches, controls the gas valve and igniter timing, and flashes diagnostic fault codes when something goes wrong. When the board fails, the symptoms can mimic almost any other part — no ignition, short cycling, blower that won't shut off, or a completely dead furnace. Voltage surges, overheating, corroded relays, and aged solder joints are common causes of board failure. This OEM kit is a direct, factory-matched replacement that restores correct ignition sequencing and full diagnostic capability.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1183618 |
| Type | Integrated Furnace Control Board Kit |
| Brand | ICP / Heil / Tempstar / Comfortmaker |
| Function | Ignition sequencing, blower/inducer control, safety monitoring, diagnostics |
| Fit | Genuine OEM |
| Application | Gas furnace primary control |
Compatibility
Built for the ICP/Tempstar/Heil RGS091HTCB0AAA gas furnace and ICP-family units that use this integrated control. Confirm the board part number, connector layout, and mounting footprint against your existing board before installing.
Installation Guide
- Safety First — Disconnect power at the furnace switch and breaker, then verify zero voltage with a multimeter.
- Access — Remove the furnace control-compartment service panel.
- Document — Photograph every plug, harness, and terminal on the old board before disconnecting anything.
- Remove — Unplug all connectors, release the standoffs or screws, and lift out the failed board.
- Install — Mount the new board on its standoffs and reconnect every harness to the matching terminal per your photos.
- Test — Restore power, run a full heat cycle, and confirm proper ignition sequencing with no fault codes flashing.
Signs You Need a Replacement
- Furnace completely dead with no response to a heat call
- Blower or inducer runs continuously or won't start
- Repeated short cycling or failed ignition sequences
- Diagnostic LED flashing a control-fault or hardware error code
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