ICP Furnace Control Board Kit for RGS091SRCB0AAA — OEM 1183618 | Ships Today
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Overview
This is the genuine OEM integrated furnace control board kit (part 1183618) for the ICP / Tempstar / Heil RGS091SRCB0AAA gas furnace. The control board is the brain of the furnace: it sequences the inducer motor, hot surface igniter, gas valve, and blower, monitors the flame sensor and pressure switch safeties, and manages timing and lockouts. Supplied as a kit, it includes the board and the hardware needed for a clean swap. When a control board fails, the furnace may be completely dead, fail to start the ignition sequence, drop the blower mid-cycle, or flash diagnostic fault codes on the onboard LED. Because the board ties every furnace component together, a confirmed board failure should be replaced with the exact OEM part to preserve correct timing and safety logic.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1183618 |
| Type | Integrated Furnace Control Board Kit |
| Brand | ICP |
| Input Voltage | 120V |
| Control Voltage | 24V |
| Fit | OEM Replacement |
Compatibility
Built for the ICP RGS091SRCB0AAA and used across Tempstar, Heil, Comfortmaker, and related ICP-family furnaces specifying control kit 1183618. Confirm the existing board's part number and connector layout before ordering, as ICP revised control boards across production runs.
Installation Guide
- Safety First — Disconnect electrical power and shut off gas; verify zero voltage with a multimeter.
- Access — Remove the furnace control/blower compartment door.
- Document — Photograph every wire and connector on the existing board before unplugging.
- Remove — Unplug each harness, release the board mounting standoffs or screws, and lift out the old board.
- Install — Mount the new board and reconnect every harness to the matching terminal exactly per your photos.
- Test — Restore power and gas, run a full heat cycle, and confirm proper ignition, blower operation, and no fault codes.
Signs You Need a Replacement
- Furnace is completely unresponsive with power confirmed at the board.
- Ignition sequence never starts or stalls partway through.
- Blower runs continuously or fails to engage.
- Repeating diagnostic fault codes pointing to control failure.
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