The Mullenix Furnace Tool is a magnetic door switch depressor that is used to keep the power on while troubleshooting furnaces.
The Mullenix Furnace Tool saves time by attaching to the furnace chassis and clamping down on the furnace door switch to keep it engaged. The Mullenix Furnace Tool works on most types of furnace switches and is a must have tool for HVAC technicians.
Depresses door switch
Great for troubleshooting
Keeps the power on
Works on most furnaces