These vents simplify installation and only require one hole through the wall or roof where the pipes terminate.
What is a concentric vent pipe.
This is an alternative to the standard two pipe intake vent shown in the basic furnace installation instructions.
Refer to figures 1 4 for installation clearances in different installation.
Kits must be securely fastened to structure to ensure clearance dimensions are maintained.
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.
Determine correct concentric vent size for the pipe diameter selected.
The concentric vent allows both the intake for combustion air and the exhaust vent to pass through a standard roof or sidewall.
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Determine the best location for the concentric vent.
Cut a 4 diameter hole for 1ct0302 2 kit or a 5 hole for 1ct0303 3 kit.
Similar to other innoflue vent pipe concentric can be cut as needed to fit specific installation requirements.
Clean and cement using procedures explained in the furnace.
Concentric vent wye exhaust pipe intake pipe rain cap stainless bolt and locknut concentric vent kit installation considerations 1.
Partially assemble concentric vent termination kit.
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.
Determine the best location for the intake vent.
In that installation separate intake and exhaust vent pipes are run between the water heater and interior wall and only the wall penetration and.
Leaving the intake inside the roof in attic as john ask can lead to problems.
Concentric vents make it easier to have a two pipe installation for high efficiency furnaces.
Determine correct concentric vent termination accessory for the pipe diameter selected.
Walk through for concentric vent pipe kits.
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.
Concentric 2 4 3 5 and 4 6 sizes correspond to single wall 2 3 and 4 diameters.
Do not install multiple concentric vents directly above one another unless separated by a 3 distance minimum.