Rcd hk42fz018 Furnace Control Board

Product Description

The RCD hk42fz018 is a furnace control board designed to monitor and manage safety-critical functions in residential gas furnace systems. It continuously tracks signals from safety sensors and switches, and initiates an automatic shutdown when a dangerous condition is detected. This board serves as the central logic hub for furnace operation, making it a direct OEM-style replacement for failed or damaged control boards. Licensed HVAC technicians typically handle installation as part of a diagnostic repair workflow on gas heating equipment.

This control board is suited for residential gas furnace applications where the original board has failed due to electrical fault, age, or component damage. It is compatible with popular furnace units including the 58HDX060 10112, 58HDX080 10112, and 58HDX080 10116 among others. It supports standard furnace control sequences including ignition management, blower motor timing, and fault code signaling through onboard diagnostic indicators.

Key Features

• Monitors safety sensor and switch inputs to trigger automatic shutdown under unsafe conditions
• OEM-style replacement design supports direct swap without voiding equipment warranty
• Compatible with multiple Carrier furnace model variants including 58HDX series units
• Compact board profile at 9 inches long by 7 inches wide by 2 inches tall for fitment in standard furnace control compartments
• Lightweight at 0.764 pounds for easy handling during bench or in-unit installation

Compatibility

Compatible with Carrier furnace units including 58HDX060 10112, 58HDX080 10112, and 58HDX080 10116. Additional compatible model numbers may apply — consult the full fits-models list from the supplier or cross-reference the original board part number before ordering.

Installation Notes

Installation of a furnace control board should be performed by a licensed HVAC technician. Disconnect power to the furnace at the disconnect switch and breaker before removing the existing board. Document or photograph all wiring connections prior to removal to ensure accurate reinstallation. Follow local codes and manufacturer wiring diagrams when reconnecting low-voltage thermostat and high-voltage supply leads.

Technical Specifications

• Length: 9 inches
• Width: 7 inches
• Height: 2 inches
• Weight: 0.764 pounds

Standard Information

• Brand: RCD
• Manufacturer Part Number: hk42fz018