What are the specs for this Control Board?

The correct replacement for ICP model RYMA10H001 — Heat Pump | Ships Today is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your ICP equipment which lists the model number RYMA10H001 — Heat Pump | Ships Today.

ICP

ICP Defrost Control Board for RYMA10H001 — Heat Pump | Ships Today

Name: ICP Defrost Control Board for RYMA10H001 — Heat Pump | Ships Today
Brand: ICP
SKU: 1052757
Price: 141.70 USD
Availability: InStock

SKU: 1052757 Brand: ICP

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Overview

This OEM defrost control board (part 1052757) is the brain of the heat-pump defrost cycle on the ICP Tempstar/Heil RYMA10H001. In heating mode the outdoor coil accumulates frost; the defrost board monitors coil temperature and accumulated run time, then periodically reverses the cycle to melt that ice and protect efficiency. It coordinates the reversing valve, the compressor, the outdoor fan, and the auxiliary heat. When this board fails, the outdoor unit can ice over completely, lose heating capacity, or trip on high pressure — symptoms that are easy to misdiagnose as a refrigerant problem.

Specifications

Spec	Value
OEM Part Number	1052757
Type	Defrost control board
Brand	ICP / Tempstar / Heil
Control Voltage	24V
Function	Defrost cycle timing & sequencing

Compatibility

Direct-fit for the ICP Tempstar Heil RYMA10H001 heat pump and related ICP heat-pump models that use the same defrost board footprint and connector layout. Match the part number and pin configuration to your existing board before installing.

Installation Guide

Safety First — Disconnect power at the disconnect and confirm zero voltage with a multimeter.
Access — Remove the outdoor unit control-box panel.
Document — Photograph every connector and the defrost sensor lead before unplugging.
Remove — Unplug the low-voltage harnesses, release the board standoffs, and lift out the old board.
Install — Seat the new board on its standoffs and reconnect each harness per your photo, including the defrost thermostat/sensor.
Test — Restore power and initiate a forced defrost (per the board's test pins) to confirm the reversing valve and fan respond.

Signs You Need a Replacement

Outdoor coil fully iced over in heating mode
Defrost cycle never initiates or runs continuously
Outdoor fan or reversing valve not responding on call
No control output despite 24V present at the 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

ICP Defrost Control Board for RY...

$141.70

Frequently Asked Questions

Does this Control Board fit my ICP RYMA10H001 — Heat Pump | Ships Today?

Yes. This is the factory-specified OEM control board for the ICP RYMA10H001 — Heat Pump | Ships Today. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.

How do I replace the control board on my ICP RYMA10H001 — Heat Pump | Ships Today?

Difficulty: Advanced (1–2 hrs)
Step 1: Turn off breaker. Step 2: PHOTOGRAPH all wire connections before touching anything. Step 3: Label each wire with tape. Step 4: Disconnect all wires, remove old board. Step 5: Mount new board, reconnect all wires matching your photo exactly. Step 6: Restore power and test all modes. Exact part number match is critical.

My HVAC system is completely dead. What could be wrong?

Completely dead HVAC (no LED on board) = failed control board or blown fuse. Check board fuse first (3A or 5A, costs $1–$5). If fuse is good and board has power but no LED, board is dead. Always photograph wiring before replacing.

Is this control board compatible with Bryant or Payne too?

Many ICP parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.

Should I use OEM or aftermarket for my ICP control board?

OEM essential. Control boards are model-specific with precise firmware and connector layouts. Aftermarket boards rarely match all functions and can cause intermittent failures or safety issues. Always match the exact OEM part number.

How fast does National HVAC Parts ship?

Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.

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