High Efficiency Furnace Intake And Exhaust

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High efficiency furnace intake and exhaust.

The pvc pipes are used for air intake exhaust gas and to remove the corrosive condensation resulting from the combustion process. Cvent 3 is for use with 3 in. Irc 2006 section m1602 2. Free shipping on your first order shipped by amazon.

Warning do not use the concentric vent kit for anything other than a category iv furnace. A conventional furnace vents these combustion gases through a vertical exhaust system that is attached to the furnace. 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. Both of these pipes are directed to the outdoors at about 95 of the furnaces that i inspect in minnesota.

Intakes should not be located directly above any wall exhaust or vent. One pipe brings combustion air directly into the furnace and mixes it with fuel. 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. Refer to the furnace installation instructions for intake vent pipe sizing information.

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 other pipe exhausts the combustion gases directly to the outdoors. Raven r1508 2 inch pvc termination vent with stainless steel screen 2 4 7 out of 5 stars 1 207.

Other aspects of high efficiency furnace venting. 1 16 of 264 results for furnace exhaust vent cover amazon s choice for furnace exhaust vent cover. This high efficiency venting system must be installed when you install the new furnace. Due to high efficiency furnaceshaving their own fresh air intake no air is drawn from inside your home.

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. There are several other important aspects of high efficiency furnace venting. This is an alternative to the standard two pipe intake vent shown in the basic furnace installation instructions.