IO Hvac Controls TWIN Twinning Kit 328140-751 Modular TE 20 Design: Compatible

Modular TE 20 Design: Compatible with various TE 20 series valve bodies and orifice assemblies

simplifying the wiring process for the technician

This factory-authorized part restores original equipment specifications for airflow and decibel ratings

Technicians should look for audible humming

Using an incorrectly sized restrictor will result in combustion instability and potential safety hazards

IO Hvac Controls TWIN Twinning Kit 328140-751 Modular TE 20 Design: CompatibleThe iO HVAC Controls TWIN Universal Twinning Kit is a field proven solution for contractors needing to synchronize multiple HVAC units under a single control point. Commonly cross referenced as the iO TWIN or TK 400, this panel enables a single thermostat to operate two separate systems, ensuring simultaneous blower and stage activation. This kit is compatible with single stage, multi stage, and heat pump equipment, supporting up to 3 heating and 2