![iO HVAC Controls iO-DFK-ODT iO-DFT outdoor thermostat iO HVAC Controls iO-DFK-ODT iO-DFT outdoor thermostat](https://cdn11.bigcommerce.com/s-8t8wm3ppmz/images/stencil/400x400/products/198517/36455/io-hvac-controls-io-dfk-odt-io-dft-outdoor-thermostat__75708.1611196458.jpg?c=1)
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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.
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iO Controls Systems