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This genuine OEM control board kit (part 1183618) is the integrated furnace control (IFC) brain for the ICP / Heil / Tempstar RGS214HTAA0AAAA. It manages the ignition sequence, gas valve timing, inducer and blower relays, flame sensing, and built-in safety lockouts, and it coordinates the 24V thermostat signals into a complete, sequenced heat and fan cycle. The kit ships with the mounting hardware and instructions needed for a clean swap. Failures typically show up as a furnace that won't ignite, an inducer or blower that won't run, erratic LED fault codes, or short cycling. The on-board diagnostic LED flashes a fault code that helps confirm the board as the failed component.
| Spec | Value |
|---|---|
| OEM Part Number | 1183618 |
| Type | Integrated Furnace Control Board Kit |
| Brand | ICP / Heil / Tempstar |
| Control Voltage | 24 VAC |
| Diagnostics | On-board LED fault codes |
| Fitment | OEM Direct Replacement Kit |
Direct-fit replacement kit for the ICP / Heil / Tempstar RGS214HTAA0AAAA and related RGS-series furnaces using this integrated control. Match your existing board's part number and connector layout to confirm fitment before installing.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.