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Dura-Vent Type B Gas Vent 3-Inch to 10-Inch Adjustable Vent Pipe - 4-Inch Diameter - 4GV12A

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$7.31 (24%)
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* Usually Ships Same Business Day.
In Stock.
* Usually Ships Same Business Day.

Item Description
Ask & Answer
Convenience and flexibility are two of the qualities that really draw homeowners to Dura-Vent's line of Type B Gas Vent Adjustable Vent Pipes. The efficient double-wall design drastically reduces the clearances required when venting a gas or liquid propane-fueled appliance. In fact, this pipe requires only one inch of clearance to combustible materials.

The pipe features an aluminum inner liner and a galvanized steel outer liner for maximum durability, plus it's adjustable to accommodate different installation situations. It easily joins with most Category I gas- or draft hood-equipped appliances, and its twist-lock design makes applications easy. In other words, if you have a 4 inch inner diameter Type B gas appliance or B vent installation, this Dura-Vent Adjustable Vent Pipe is the ideal product.

* Venting Requirements: This unit requires venting pipe with an inner diameter of 4 Inches. Please see the Venting tab on this page for venting pipe that must be used with this unit.
  • Efficiently vents Category I natural gas and propane-fueled appliances
  • Resilient dual-layer construction
  • 4" opening
  • Adjusts from 3" to 10" in length
  • .012" aluminum inner liner and .018" galvanized steel outer wall
  • Secure twist-lock connections
  • Requires only 1" clearance to combustibles
  • 25-year warranty
  • UL and ULC Listed
Manufacturer: DuraVent
Part Number: 4GV12A
Elite Deals Item Number: CPF-68416
UPC: 662492000335

2 Questions & 2 Answers
from WA asked:
August 14, 2013
My draft motor exhaust has a 2 5/8" OD. Will the 3" type B gas vent work with it or is there an adapter?
1 Answer
The 3 inch B vent is indeed the correct size, but you will need to use the Dura-Vent Type B Gas Vent Draft Hood Connector - For Vent Pipes with a 3-Inch Diameter - 3GVC. This has a tapered end that will allow you to push it into the motor output. The taper can also be cut if necessary, to allow further collapsing of the end for proper fitment.
on August 14, 2013

S. Montgomery
from Hampton, Virginia asked:
January 27, 2013
I need an installer to do the job.
1 Answer
For your reference, you may use the NFI (National Fireplace Institute) website to locate a local certified installer in your area. Their website is Once there, just click on the "Public" link on the right hand side and enter your zip code.
on January 28, 2013

Product Reviews
Dura-Vent Type B Gas Vent 3-Inch to 10-Inch Adjustable Vent Pipe - 4-Inch Diameter - 4GV12A
$ 22.68