Trane BRD06889 Main Board R-407A Technicians use the 68L52 specifically

Technicians use the 68L52 specifically for secondary control communication issues

6 pneumatic damper actuator designed for reliable proportional or two-position control of HVAC systems

For a reliable AC repair

This switch is also a confirmed replacement for specific Allied

The 331-4510 features a factory-set 5-10 psi spring range

Trane BRD06889 Main Board R-407A Technicians use the 68L52 specificallyThe 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