What Is A Concentric Vent Pipe

Concentric wall venting when venting an appliance through the wall using innoflue concentric the following parts are most commonly required.

What is a concentric vent pipe.

This is an alternative to the standard two pipe intake vent shown in the basic furnace installation instructions. The concentric vent allows both the intake for combustion air and the exhaust vent to pass through a standard roof or sidewall. A concentric vent runs both intake and exhaust thru a double wall pipe to the outside of the home either thru the roof or sidewall. Do not install multiple concentric vents directly above one another unless separated by a 3 distance minimum.

Takagi s9007611005 takagi s9007611005 3 inch pvc concentric termination for the t h3 dv tankless water heater from the t vent collection 3 9 out of 5 stars 5 79 67 79. Refer to figures 1 4 for installation clearances in different installation. Cut a 4 diameter hole for 1ct0302 2 kit or a 5 hole for 1ct0303 3 kit. Concentric vents make it easier to have a two pipe installation for high efficiency furnaces.

A concentric vent termination may be used on a power direct vent tank or tankless water heater to get the same benefit of a single wall or roof penetration with an aesthetic vent termination. Subscribe for more great learning videos from alpine. Determine the best location for the intake vent. And check us out at.

Clean and cement using procedures explained in the furnace. Concentric 2 4 3 5 and 4 6 sizes correspond to single wall 2 3 and 4 diameters. Determine correct concentric vent termination accessory for the pipe diameter selected. Partially assemble concentric vent termination kit.

When installing multiple concentric vents refer to the following guidelines. These vents simplify installation and only require one hole through the wall or roof where the pipes terminate. Thanks for watching. Similar to other innoflue vent pipe concentric can be cut as needed to fit specific installation requirements.

Leaving the intake inside the roof in attic as john ask can lead to problems. In that installation separate intake and exhaust vent pipes are run between the water heater and interior wall and only the wall penetration and. Determine the best location for the concentric vent. Kits must be securely fastened to structure to ensure clearance dimensions are maintained.