White-Rodgers Intell-Ignition Control Board 50A65-476

The image shows a White-Rodgers Intell-Ignition Control Board, which is commonly used in HVAC systems, particularly in furnaces. Here’s a detailed breakdown of what you’re looking at:

Key Identifiers:

• Brand: White-Rodgers

• Product Line: Intell-Ignition

• Visible Model Markings:

  • Label marked DD-C (this may be the board revision code)

  • IC chip labeled 50A65-843 or 50A65-476 (model number variants)

• Notable Components:

  • Relays

  • Transformer

  • Fuse

  • Terminal blocks (W, R, C, etc.)

  • LED diagnostic lights (e.g., DS2)

  • DIP switches (configuration settings)

Possible Model:

This board closely resembles the White-Rodgers 50A65-843 or similar 50A65-series modules, used in gas furnace ignition and fan control.

Common Applications:

• Used in gas furnaces to manage the ignition process and safety checks

• Provides control for blower fan, inducer fan, hot surface ignitor, and gas valve

Compatible with:

• Residential or light commercial HVAC systems

• Brands using White-Rodgers OEM parts (like Emerson)