iO HVAC Controls iO-TWIN Universal Twinning Kit

The Twinning Kit is designed to allow a single thermostat to control two separate HVAC units. This Twinning Kit can also be expanded to control a total of four HVAC units. The iO-TWIN can be used on common or separated ducted systems with single-stage, multi-stage and heat pump equipment. Only standard 18 gauge thermostat wire is required. Thermostats and HVAC units can be located up to 300′ from the panel.

Order Processing: After your payment is authorized and verified, we will start processing your order and this process can take from 1 to 2 business days, so please be patient with us. If we are unable to process your order due to inaccurate or incomplete payment or incorrect address information, your order processing may be delayed.

Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

FREE RETURNS on all orders!
The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.