The iO HVAC Controls SC-TK-400 is a universal twinning kit that coordinates two HVAC units to operate as one, synchronizing their staging for balanced capacity and reliable performance in larger applications.

Key Features & Benefits

• Twins two units — coordinates a pair of HVAC units to run as a single system.
• Balanced staging — synchronizes operation for steady capacity and comfort.
• Universal compatibility — works across a wide range of equipment.

Ideal For

Larger commercial installations that need two HVAC units twinned for balanced, coordinated capacity.