Dual Fuel Kit with Outdoor Thermostat
Dual Fuel Kit with Outdoor Thermostat
Item # iO-DFK
Alternate Item # DFK

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. 

Features and Benefits
  • Snap track mounting
  • LED auxiliary heat indication
  • Easy to read screw terminals
  • Quiet relay technology
  • ‘O’ and ‘B’ reversing valve selection switch
  • Outdoor balance point thermostat included
  • Provides a professional, clean installation
  • 5-year warranty
Product Specifications
4.00” x 4.00” x 1.00” (WHD)
Input Voltage
Temperature Range
0° to 100° F


5418 Elmwood Ave | Indianapolis IN 46203 | 888-652-9663