ICP Furnace Control Board Kit for RGS300SSEA0AAAA — OEM | Ships Today
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Overview
This genuine OEM control board kit, ICP part number 1183618, is the integrated furnace control (IFC) that runs the entire heating and blower sequence on your RGS300SSEA0AAAA. It manages the igniter, gas valve, inducer, blower timing, and safety lockouts while monitoring the limit and flame-sensing circuits. When this board fails, symptoms range from a completely dead furnace to erratic blower behavior, repeated lockouts, or fault codes on the diagnostic LED. The kit ships as a direct OEM replacement so the furnace returns to its factory control logic and timing.
Specifications
| Spec | Value |
|---|---|
| OEM Part Number | 1183618 |
| Description | Control Board Kit (Integrated Furnace Control) |
| Type | Furnace Ignition / Blower Control |
| Brand | ICP / Tempstar / Heil |
| Application | Gas Furnace |
| Fitment | OEM Direct Replacement Kit |
Compatibility
Built as the factory replacement for the ICP/Tempstar/Heil RGS300SSEA0AAAA and related RGS-series single-stage furnaces that specify OEM part 1183618. Kits include the board and mounting hardware; transfer any wiring harness or jumper settings from your old board exactly. Confirm the part number printed on your existing board before ordering.
Installation Guide
- Safety First — Disconnect power at the furnace switch and breaker, then verify zero voltage with a multimeter.
- Access — Remove the control/blower compartment service panel.
- Document — Photograph every connector, harness, and jumper position on the old board before disconnecting.
- Remove — Unplug each connector, release the mounting standoffs or screws, and lift out the failed board.
- Install — Mount the new board, match any jumper or DIP settings, and reconnect each harness exactly per your photo.
- Test — Restore power and run a full heat cycle, confirming the diagnostic LED shows normal operation.
Signs You Need a Replacement
- Furnace is completely unresponsive to thermostat calls.
- Diagnostic LED is dark or flashing a hard-fault code.
- Blower or inducer runs erratically or will not stage correctly.
- Visible burn marks, corrosion, or scorched relays 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