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Sidewall Power Vent. The fan works in conjunction with the furnace, usually turning on before the furnace starts. Sidewall vent systems are especially great for replacing old chimneys, and it is one of the more affordable options to consider when installing a venting system for your gas furnace. Sidewall power vents also rate highly in efficiency and safety.
The furnace uses an exhaust vent motor that pushes the exhaust gas through the vent pipe, creating a positive static pressure in the vent. The condensing furnace produces condensed exhaust gases that contain water and carbon dioxide, which together form carbonic acid that results in a corrosive condensate.
When exhaust gases discharged from a high efficiency furnace exhaust vent meets the cold air, the air condenses faster than conventional furnaces because it is cooler. This condensing process, along with the one that occurs within the high efficiency furnace itself, creates moisture that can collect and freeze around and inside exhaust pipes since it can’t travel far enough away from the home before condensing.
For this reason – and because you really don’t want your heating system to fail in the depths of winter – it is vitally important to keep your exhaust vent clear. If you don’t know where your system vents, the easiest way to find out is to look at the boiler or furnace.
Sidewall direct exhaust heating appliances. A blower or power vent draws combustion air in to the heater and a power vent pushes exhaust gases out through a separate or dedicated exhaust flue. The heating appliance vents directly out through a building side wall, powered by natural draft provided by the heating equipment,...
The EXHAUST vent from most class IV units is a 2" exhaust, thus the end of the fitting is designed for a 2" exhaust pipe thus a 2.5" bell for a 2" PVC. In other words, this product is designed for 3" PVC for the inlet pipe and 2" PVC for the exhaust.
sweeping A flue is a duct, pipe, or opening in a chimney for conveying exhaust gases from a fireplace, furnace, water heater, boiler, or generator to the outdoors. Historically the term flue meant the chimney itself. In the United States, they are also known as vents for boilers and as breeching for water heaters and modern furnaces. They usually operate by buoyancy, also known as the stack effect, or the combustion products may be 'induced' via a blower. As combustion products contain carbon monoxide and other dangerous compounds, proper 'draft', and admission of replacement air is imperative. Building codes, and other standards, regulate their materials, design, and installation.
Industrial furnace from 1907. A furnace is a device used for high-temperature heating. The name derives from Latin word fornax, which means oven. The heat energy to fuel a furnace may be supplied directly by fuel combustion, by electricity such as the electric arc furnace, or through induction heating in induction furnaces. In American English and Canadian English usage, the term furnace refers to the household heating systems based upon a central furnace, otherwise known either as a boiler, or a heater in British English. Furnace may also be a synonym for kiln, a device used in the production of ceramics. In British English, a furnace is an industrial furnace used for many things, such as the extraction of metal from ore (smelting) or in oil refineries and other chemical plants, for example as the heat source for fractional distillation columns. The term furnace can also refer to a direct fired heater, used in boiler applications in chemical industries or for providing heat to chemical reactions for processes like cracking, and is part of the standard English names for many metallurgical furnaces worldwide.
A forced-air gas furnace, of the older, non-condensing type.Forced-air gas heating systems are used in central air heating/cooling systems for houses. Sometimes the system is referred to as "Forced hot air".