COMBUSTION AIR ORIFICE
Lennox 18J16 COMBUSTION AIR ORIFICE has a diameter of 1/4". This product is manufactured in United States.
A C A O (Combustion Air Orifice) is a small flap found on the back of your gas furnace either inside or outside the house, depending on the make and model of your furnace.
The Combustion Air Orifice measures the air flow required for combustion, and is specifically designed to only be used on air conditioners. The orifice is used to regulate the airflow into your unit, changing with temperature changes, so it's important to have a good idea of how much air is needed for your home by proper installation.
The Lennox 18J16 Combustion Air Orifice is a replacement part. This part is for 120v Furnace and Fan Coil Units and should be used with the frame in place to properly seal.
Lennox manufactures the most forward-looking heating, cooling and air quality products on the market. With their timely innovations and high performance products, Lennox brand systems are always found in the homes of individuals who expect the very best from their heating and cooling systems – like you. The Lennox 18J16 Combustion Air Orifice comes with an innovative design that ensures ample airflow to your furnace's burner when it needs it most. This product is specifically for use with ACG093-10-18 aluminum multisection air duct.
The Lennox 18J16 Combustion Air Orifice is used in most Lennox gas and oil furnaces to deliver fresh combustion air to the furnace.
The Lennox 18J16 Combustion Air Orifice is designed to maintain combustion on the two stage high efficiency Lennox HP25 and PAC21 Heat Pump Air Conditioning Systems, as well as on the two stage high efficiency Marshall 25-SEHP and BAC21 Heat Pump Air Conditioning Systems.