Tempstar Defrost Control Board for TXH560GKA100 — OEM 1173636 | Ships Today
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Overview
This is the genuine OEM defrost control board (part number 1173636) for the Tempstar TXH560GKA100 heat pump. The defrost control board governs the outdoor unit's defrost cycle, monitoring coil temperature and accumulated run time to start and end defrost so frost and ice are cleared from the outdoor coil during heating. It also coordinates the reversing valve, compressor contactor, and outdoor fan timing. A failed board lets the coil ice over, robs the system of heating capacity, causes short-cycling, or prevents mode changes between heating and cooling. Installing the correct OEM board restores dependable cold-weather heat-pump operation.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1173636 |
| Type | Defrost Control Board |
| Brand | Tempstar (ICP / Heil) |
| Fits Model | TXH560GKA100 |
| Application | Heat Pump — outdoor unit |
| Fitment | OEM direct replacement |
Compatibility
This defrost control board is a direct OEM fit for the Tempstar TXH560GKA100 heat pump and equivalent Heil, Comfortmaker, and ICP-built units that originally used part 1173636. Confirm the part number printed on your existing board before ordering.
Installation Guide
- Safety First — Disconnect power at the outdoor disconnect and breaker, then verify zero voltage with a multimeter at the control board terminals.
- Access — Remove the outdoor unit's electrical service panel to expose the control board.
- Document — Photograph every wire and connector position before disconnecting anything.
- Remove — Label and unplug the low-voltage and line-voltage connectors, release the mounting standoffs or screws, and lift out the old board.
- Install — Mount the new 1173636 board on the same standoffs and reconnect every wire exactly per your photos, confirming defrost sensor and reversing valve leads.
- Test — Restore power, verify heating and cooling operation, then observe or force a defrost cycle to confirm proper function.
Signs You Need a Replacement
- Outdoor coil ices over and the unit never defrosts.
- Heat pump won't switch between heating and cooling modes.
- Compressor or outdoor fan short-cycles or won't energize.
- Visible burn marks, corrosion, or a failed relay on the existing 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