Rcd LH33WZ513 Ignition Module Furnace

Product Description

The RCD LH33WZ513 is an OEM-replacement ignition module designed for use in Carrier HVAC equipment. The ignition module controls the ignition sequence in a gas furnace, managing the spark or hot-surface igniter circuit to establish a flame and confirm burner operation. This component is a direct-fit replacement intended for licensed HVAC technicians performing diagnostic repairs or scheduled maintenance on residential gas furnace systems. Its role in the ignition sequence makes it a critical safety and operational component in any furnace service call.

This ignition module is suited for residential gas furnace applications where the original Carrier ignition control has failed or is intermittently faulting. Typical install scenarios include field replacement of a failed module presenting lockout faults, no-ignition conditions, or igniter circuit failures diagnosed through standard fault code retrieval. This part is intended for use by qualified HVAC service professionals familiar with gas appliance ignition systems.

Key Features

• OEM-replacement ignition module for Carrier HVAC gas furnace equipment
• Controls the ignition sequence including igniter activation and flame sensing
• Direct-fit replacement designed to match original mounting and wiring configuration
• Supports accurate flame signal verification to prevent unsafe lockout conditions

Compatibility

Designed as an OEM-style replacement ignition module for Carrier residential gas furnace systems. Refer to the original equipment documentation or Carrier parts lookup to confirm fitment for a specific model.

Installation Notes

Installation should be performed by a licensed HVAC technician in accordance with local codes and IFGC requirements. Before servicing, shut off power at the furnace disconnect and close the manual gas shutoff valve. Handle the ignition module carefully to avoid damage to connector pins or the circuit board. After installation, verify proper ignition sequence operation and confirm no active fault codes before returning the system to service.