Dual Fuel Kit with Outdoor Thermostat

The iO-DFK is the most versatile and easy-to-install dual fuel kit on the market. The iO-DFK can be used with heat pumps and fossil fuel furnaces having up to 2 stages of cooling and 4 stages of heating. Outdoor balance point thermostat included. 

You must be logged in to order products online, click here to login

Copyright 2013 - 2019 iO HVAC Controls.