Turn off the power switch again and shut off the gas by giving the valve one quarter turn.
Diy gas furnace replacement.
You can reshape or extend them as necessary.
Vacuum the furnace burners and the furnace base.
In a hot air system a blower forces air through ducts that open into each room.
After all blowers are basically just large fans.
Furnaces consist of two main operating systems.
Drain line to your vacuum hose.
The main issue will be safety for not only installing a furnace but mainly when dealing with a gas line and exhaust of the furnace.
First turn off all power to the unit and turn off the gas at the gas valve that serves the furnace.
The other for distributing it.
Remove the door on the front of the furnace cabinet to give you access to the blower it might be on a slide out drawer check the number stamped on the belt and get an exact replacement from a home center or heating supply outlet.
Cool air also called return air gets sucked in through the bottom of the furnace heated and blown out the top supply.
To get at the back of the burners tape a 20 in.
One for generating heat.
Vacuum everywhere you see dust.
The second major safety concern would be ventilation.