Furnace Blower Control Board

The control receives inputs from the thermostat w y and g pressure switch and high temperature limit switches.

Furnace blower control board.

The r40403 003 blower control provides outputs for a 2 speed indoor blower motor and single speed inducer motor. If the furnace s draft inducer will not start or if the blower motor will not start then this could very well be a control board problem. Heat pump defrost control board. Icm controls furnace fan blower circuit control board.

Once your ignitor is running hot the control board gets gas flowing through the burners where that is ignited to start heating your home. Typically your control board kicks on the furnace ignition system either a spark generator glow coil or pilot light after receiving a single from your thermostat that the temperature is too low. Icm controls icm289 furnace control replacement for lennox control boards replaces all bcc1 bcc2 and bcc3 circuit boards 4 9 out of 5 stars 41 105 08 105. Same day shipping order now and get same day shiping guarateed for assistance please call 1 877 733 9241.

Furnace control boards these circuit boards are designed for controlling furnaces and heating units in hvac systems. Use with compatible heating units and components available separately. I hope the youtube video below will help you troubleshoot your furnace s control board.