While it can be wired for single speed

verify that your orifice sizes match the manifold’s output to avoid over-firing or under-firing the system

including 12826-06S

effectively managing blower cycles and preventing overheating

By preventing the infiltration of cold air through the chimney

Trane BRD06889 Main Board EZ-Flush While it can be wiredThe Trane BRD06889 Main Board is a genuine OEM electronic control board engineered to manage critical operating functions in compatible Trane HVAC equipment. As the primary control module, it monitors system inputs, coordinates operating sequences, and communicates with connected components to ensure reliable equipment performance. Replacing a failed or damaged main board with the correct OEM part helps restore proper unit operation, maintain factory