How Do You Replace A Gas Furnace?
There are many reasons for replacing an old gas furnace with a new model. In addition to advances made in energy efficiency, new gas furnaces provide more safety by incorporating electronic igniters. In addition, new gas furnaces provide automatic shutdown mechanisms should the igniter ever malfunction, preventing dangerous gasses from escaping into your home. Observe safety first. Before you can remove the old gas furnace, you must disconnect the gas supply from the unit. To do this, locate the gas feed valve on the tube and turn it off or for even greater safety, shut off the gas supply valve outside your home. Locate the breaker that services the furnace and the blower and switch it off before unplugging the unit from the wall. The breaker is in your electrical panel. Disconnect the thermostat wires and pay attention to the color hookups for future reference. Bleed the gas line to remove trapped gas in the tube after you open windows and double-check to make sure all other pilot lig
