Johnson Controls T-4002-600 Control Port (For Old & New)

The Johnson Controls T-4002-600 Control Port is one of the most essentialpneumatic control system devices used in HVAC equipment to regulate the amount of air that flows through the system. Due to the compatibility with both this and the previous generation systems, this particular control port guarantees the operations’ continuity and compatibility. It controls various environmental aspects, within the required limits through standard HVAC settings and manipulate the pressure. Due to the importance it plays in pneumatic control systems its maintenance is essentialfor reliable and efficient HVAC systems.