ICP Defrost Control Board for YG018GA2 — OEM 1069364 24V Heat Pump | Ships Today
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Overview
This is a genuine OEM defrost control board (part number 1069364) for the ICP/Heil/Tempstar YG018GA2 heat pump. The defrost board manages the heat pump's winter defrost cycle: it reads outdoor coil temperature and compressor run time, then energizes the reversing valve and pauses the outdoor fan to melt frost and ice off the coil before returning to normal heating. When this board fails, the most common results are an outdoor coil that ices over and never clears, cold air blowing during heat calls, auxiliary heat running nonstop, or a unit that won't switch in or out of defrost. The board operates on a 24V control circuit and is a direct OEM replacement that restores proper, efficient defrost operation.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1069364 |
| Type | Defrost Control Board |
| Brand | ICP / Heil / Tempstar / Comfortmaker |
| Control Voltage | 24V |
| Application | Heat Pump Defrost Control |
| Fit | OEM Direct Replacement |
Compatibility
Direct OEM replacement for the ICP-family YG018GA2 heat pump and related Heil, Tempstar, and Comfortmaker units that originally shipped with defrost board 1069364. Confirm the part number printed on your existing board before ordering, as board revisions vary by model year.
Installation Guide
- Safety First — Disconnect power at the outdoor disconnect and breaker, then verify zero voltage at the board terminals with a multimeter.
- Access — Remove the outdoor unit's control-panel service cover.
- Document — Photograph every wire and connector on the old board before disconnecting anything.
- Remove — Label and unplug the low-voltage harness, defrost sensor lead, and spade connectors, then unscrew the old board from its standoffs.
- Install — Mount the new 1069364 board, reconnect every wire to match your photos, and set any defrost-timing jumper to match the original.
- Test — Restore power, run the unit in heat mode, and confirm it initiates and terminates a defrost cycle correctly.
Signs You Need a Replacement
- Outdoor coil ices or frosts over and never clears
- Heat pump blows cold air or won't switch into defrost
- Auxiliary/emergency heat runs constantly in cold weather
- Unit short-cycles or the reversing valve won't energize
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