Diy Gas Furnace Replacement

Cool air also called return air gets sucked in through the bottom of the furnace heated and blown out the top supply.

Diy gas furnace replacement. 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. Furnaces consist of two main operating systems. Fixing a malfunctioning blower may be less daunting than you think. The second major safety concern would be ventilation.

Turn off the power switch again and shut off the gas by giving the valve one quarter turn. Most furnace units will already have a gas line run so making sure the connections are secure and there are no leaks will be one of the main safety concern. After all blowers are basically just large fans. In a hot air system a blower forces air through ducts that open into each room.

If you are replacing an existing furnace you just need to carefully extract the old furnace from the big metal boxes then seal the new unit to the same boxes. First turn off all power to the unit and turn off the gas at the gas valve that serves the furnace. One for generating heat. You can reshape or extend them as necessary.

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. Vacuum everywhere you see dust.