What are the specs for this Control Board?

The correct replacement for ICP model RYMA10F001 — 24V 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 RYMA10F001 — 24V Heat Pump | Ships Today.

ICP

ICP Defrost Control Board for RYMA10F001 — 24V Heat Pump | Ships Today

Name: ICP Defrost Control Board for RYMA10F001 — 24V Heat Pump | Ships Today
Brand: ICP
SKU: 1052757
Price: 175.44 USD
Availability: InStock

SKU: 1052757 Brand: ICP

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Overview

This OEM defrost control board (PN 1052757) is the factory-specified defrost logic module for the ICP RYMA10F001 heat pump. In heating mode the board monitors the defrost thermostat and an internal timer to decide when frost has built up on the outdoor coil, then reverses the refrigerant cycle, energizes the reversing valve, and shuts off the outdoor fan to melt ice — restoring normal operation once the coil clears. When this board fails, the unit may ice over solid in cold weather, never enter defrost, get stuck in defrost, or fail to energize the compressor and reversing valve at all.

Specifications

Spec	Value
OEM Part Number	1052757
Type	Defrost control board
Brand	ICP / Tempstar / Heil
Function	Timed/demand defrost, reversing valve & fan control
Control Voltage	24V

Compatibility

Fits ICP / Tempstar / Heil model RYMA10F001 heat pump condensing units. Match the part number and connector layout to your existing board before ordering, and confirm your defrost timer pin selection (30/60/90 min) when transferring the jumper.

Installation Guide

Safety First — Disconnect power at the disconnect and breaker; verify zero voltage with a multimeter before touching the board.
Access — Remove the condenser control-box service panel.
Document — Photograph every harness plug, terminal, and the defrost timer jumper position.
Remove — Unplug each connector, release the board standoffs/screws, and lift the old board out.
Install — Mount the new board, set the defrost timer jumper to match the original, and reconnect each harness per your photo.
Test — Restore power, run a heating cycle, and initiate a forced defrost to confirm the reversing valve and fan respond correctly.

Signs You Need a Replacement

Outdoor coil ices over and never clears in heating mode.
Unit gets stuck in defrost or cycles defrost constantly.
No compressor or reversing-valve operation in heat mode.
Burn marks, corrosion, or failed relays visible on 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...

$175.44

Frequently Asked Questions

Does this Control Board fit my ICP RYMA10F001 — 24V Heat Pump | Ships Today?

Yes. This is the factory-specified OEM control board for the ICP RYMA10F001 — 24V 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 RYMA10F001 — 24V 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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