High Efficiency Furnace Intake And Exhaust

High efficiency or condensing furnaces exhaust the combustion gases and bring in fresh air through pvc pipes to the outside usually routed through the sidewall of the house.

High efficiency furnace intake and exhaust.

Irc 2006 section m1602 2. Refer to the furnace installation instructions for intake vent pipe sizing information. This high efficiency venting system must be installed when you install the new furnace. High efficiency furnaces come with two pipes.

Get it as soon as sat sep 19. A high efficiency furnace uses a different type of venting system because it extracts the heat that remains in those combustion gases before venting the resultant mixture of water and carbon dioxide. Wall intakes must also be 10 feet from any exhaust fan discharge outlet unless that outlet is 3 feet or more above the intake location. One pipe brings combustion air directly into the furnace and mixes it with fuel.

Free shipping on your first order shipped by amazon. Due to high efficiency furnaceshaving their own fresh air intake no air is drawn from inside your home. 1 16 of 264 results for furnace exhaust vent cover amazon s choice for furnace exhaust vent cover. The other pipe exhausts the combustion gases directly to the outdoors.

Since high efficiency furnaces draw air directly from outside the furnace itself does not require a fresh air intake in order to replace inside air that otherwise would have been drawn from the room the furnace is located in. A conventional furnace vents these combustion gases through a vertical exhaust system that is attached to the furnace. Warning do not use the concentric vent kit for anything other than a category iv furnace. Other aspects of high efficiency furnace venting.

Intakes should not be located directly above any wall exhaust or vent. Intake and exhaust vents for high efficiency furnaces must be high enough off of the ground to avoid any restrictions or being too close to snow that may melt and form an ice blockage. If not installed correctly or checked regularly problems in these pipes can affect the operation of the furnace itself. The pvc pipes are used for air intake exhaust gas and to remove the corrosive condensation resulting from the combustion process.

This is an alternative to the standard two pipe intake vent shown in the basic furnace installation instructions. There are several other important aspects of high efficiency furnace venting. Raven r1508 2 inch pvc termination vent with stainless steel screen 2 4 7 out of 5 stars 1 207.