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

and DM coils

While it can be wired for single speed

this pilot operated valve is optimized for 120V/60Hz AC electrical systems

ensuring the start circuit is properly isolated once the compressor is up to speed

Trane BRD06889 Main Board EZ-Flush verify that your orifice sizesThe 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