iO HVAC Controls iO-DFK Dual Fuel Kit with Outdoor Thermostat DMAPLCC1070 77 g # of Adjustments:

77 g # of Adjustments: 7

Sharkbite U4008LF 1/2" PB x 1/2" CTS Polybutylene Transition Coupling

Direct Replacement For:

the FA-03 CO2 trans-fill adapter

iO HVAC Controls iO-DFK Dual Fuel Kit with Outdoor Thermostat DMAPLCC1070 77 g # of Adjustments:iO HVAC Controls iO DFK Dual Fuel Kit with Outdoor Thermostat This easy to install Dual Fuel Kit can be used with heat pumps and fossil fuel furnaces having up to 4 stages of heating and 2 stages of cooling. They work by turning the heat pump off at a pre determined outdoor temperature permitting the fossil fuel furnace to run in order to reach the room thermostat setpoint. Includes snap track mounting and outdoor balance point thermostat. Snap track