Furnace Parts And Functions

Furnace hot surface igniter kit.

Furnace parts and functions.

All furnaces contain a heat exchanger burner ductwork plenum blower and flue or vent pipe. The heating process begins with the burner. Older furnaces use a pilot light that burns constantly lighting the gas when it comes on. The furnace is the key component of your hvac system.

So if you are not sure what a certain furnace component is called or what it s function is this video is for you. A gas manifold gas burners heat exchanger vents ignition controls safety controls and blower motor. Its function is to heat a supply of air which is to be distributed to various rooms of your home via the hvac. The appliance itself resembles a large box that absorbs cold air and cleans it by means of an air filter.

Furnace parts and functions or furnace component identification. For anyone who needs to know the name of a furnace part in this video i go over what every part in the furnace is called and how it works. Furnaces are mostly used as a major component of a central heating system. Electric furnace parts list and functions explained the 24 volt transformer reduces the voltage from 240v to 24v for furnace controls.

The flame sensor monitors the burner to detect whether or not a flame is present. If the flame sensor is defective the furnace may not heat. A furnace referred to as a heater or boiler in british english is a heating unit used to heat up an entire building. When you re cooking your morning.

A burner is where gas and air are combined creating a flame that becomes the heat source. Elements produce heat when power is applied. The control board regulates the supply of power to the furnace components. It s also the largest requiring substantial space typically in the cellar your finished basement the attic or a special closet designed for that purpose.

Modern furnaces use a hot surface igniter hsi that will glow red hot and ignite the gas. Additionally some furnaces include an air conditioning unit responsible for cooling during summer months. Electric furnaces are feed from the. To first understand how a furnace works it helps to know a little bit about the furnace components.

Gas furnaces need a way to light the gas to start a flame.