ICP Control Board Kit for RHH072H0CA0AAAA — OEM 1183618 24V Replacement | Ships Today

Overview

This OEM control board kit (part #1183618) is the central electronic control for the ICP Tempstar Heil RHH072H0CA0AAAA heat pump system. It manages defrost timing, compressor and blower staging, reversing valve switching, and safety lockouts. Symptoms of a failed board include no response to the thermostat, abnormal or continuous defrost cycles, repeatedly blown control fuses, and a compressor that will not start. The kit includes the mounting hardware and connectors for a straightforward replacement.

Specifications

Compatibility

Engineered as the factory control board for the ICP Tempstar Heil RHH072H0CA0AAAA and related RHH072 series heat pumps. Verify your existing board carries part number 1183618 before ordering, as ICP revised control boards across production runs.

Installation Guide

1. Safety First — Disconnect power at the breaker and disconnect, then verify zero voltage at the board with a multimeter.
2. Access — Remove the control/service panel to expose the board.
3. Document — Photograph every wire and connector position before disconnecting anything.
4. Remove — Unplug the low- and line-voltage connectors, release the board standoffs, and lift the old board out.
5. Install — Snap the new board onto the standoffs, transfer any jumper/DIP settings, and reconnect every harness exactly as photographed.
6. Test — Restore power and confirm thermostat response, blower, compressor, and defrost operation.

Signs You Need a Replacement

• System unresponsive to thermostat calls for heat or cool
• Compressor or blower will not energize despite a good 24V signal
• Erratic or continuous defrost cycling
• Visible burn marks, blown traces, or repeatedly blown control fuses

Shipping & Returns

Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.