ICP Defrost Control Board for YE036G Heat Pump — 24V OEM | Ships Today
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Overview
The ICP 34332101 Defrost Control Board is the OEM electronic logic board that governs the defrost cycle on the YE036G heat pump. It reads outdoor coil temperature and accumulated run time, then commands the reversing valve, outdoor fan, and auxiliary heat to clear frost buildup during cold-weather heating. Running on a 24V control signal, the board sequences these components so the unit defrosts on schedule without short-cycling or wasting energy. A failed defrost board is a frequent cold-weather no-heat call: the outdoor coil ices over, the system runs nonstop in defrost, or it never enters defrost and loses heating capacity. Fitting the correct OEM 34332101 board restores factory-spec defrost timing and full heat-pump performance.
Specifications
| Spec | Value |
|---|---|
| Part Number | 34332101 |
| Type | Defrost Control Board |
| Brand | ICP |
| Control Voltage | 24V |
| Application | Heat Pump Defrost |
| Fitment | OEM |
Compatibility
Direct OEM replacement for the ICP / Tempstar / Heil YE036G heat pump and related ICP-family condensing units that use the 34332101 defrost board. Confirm against your existing board part number before ordering.
Installation Guide
- Safety First — Disconnect power at the breaker and verify zero voltage with a multimeter before touching terminals.
- Access — Remove the outdoor unit service panel to expose the control compartment.
- Document — Photograph every wire and terminal on the old board before disconnecting anything.
- Remove — Label and disconnect each lead, then unsnap or unscrew the failed board from its standoffs.
- Install — Mount the new 34332101 board on the standoffs and reconnect each wire exactly per your photo.
- Test — Restore power, force a defrost cycle, and confirm the reversing valve, fan, and timing operate correctly.
Signs You Need a Replacement
- Outdoor coil ices over and never defrosts
- Unit stuck in continuous defrost or short-cycling
- No 24V output to reversing valve or fan during defrost
- Burn marks, corrosion, or a cracked relay on the board
Shipping & Returns
Ships same day on orders placed 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