ICP Defrost Control Board for YJ030GB1 — Heat Pump | Ships Today
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Overview
This OEM defrost control board (part #1069364) is the brain of the defrost cycle on your ICP/Tempstar/Heil YJ030GB1 heat pump. In heating mode, frost builds on the outdoor coil; this board monitors run time and coil temperature, then reverses the system to melt that frost before returning to heat. It coordinates the reversing valve, outdoor fan, and compressor timing. When the board fails, the unit may ice over, short-cycle, run the auxiliary heat constantly, or fail to switch between heating and cooling — driving up energy bills and starving the home of heat.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1069364 |
| Type | Defrost Control Board |
| Brand | ICP / Tempstar / Heil |
| Function | Defrost cycle timing & reversing valve control |
| Control Voltage | 24V |
| Application | Heat Pump Outdoor Unit |
Compatibility
Direct OEM replacement for the ICP/Tempstar/Heil YJ030GB1 heat pump and units originally equipped with defrost control board 1069364. Verify the board layout, connector count, and part number against your existing board before installing.
Installation Guide
- Safety First — Disconnect power at the outdoor disconnect and verify zero voltage with a multimeter.
- Access — Remove the condenser unit electrical/control panel.
- Document — Photograph every wire and connector on the existing board before disconnecting.
- Remove — Unplug the harnesses and release the board from its standoffs or screws.
- Install — Seat the new board on the standoffs and reconnect every harness exactly per your photo.
- Test — Restore power, run a heating call, and confirm normal operation and proper defrost initiation/termination.
Signs You Need a Replacement
- Outdoor coil ices over and never defrosts
- Unit stuck in defrost or short-cycling between modes
- Auxiliary/emergency heat runs constantly
- No response to thermostat heating or cooling calls
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