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Duravent Type B Gas Vent Pipe

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Inside Pipe Diameter
X

Inside Pipe Diameter

Pipe diameter is always measured based on the inner most wall of the pipe. See (A) measurement, this will be your inside diameter measurement.


Series
Product Type
X producttype

Product Types

Chose the specific type of products on the left to match the parts you need to complete your vent pipe system. Here are the top 6 product types customers purchase:
Pipe Length
Pipe Length
Elbow
Elbow
Chimney Cap
Chimney Cap
Kits
Kits
Tee
Tee
Adapter
Adapter
Wall Construction
X wallconstruction

Wall Construction

Single Wall

Single Wall pipe is mainly for interior use. It consists of a single sheet of material to create the pipe. Depending on the application, you can use single wall pipe for many different types of fuel, please see specification sheets on which single wall pipe works with specific fuel types.


Double Wall

Double wall pipe consists of an inner pipe wall and an outer pipe wall with air passing through between each wall. This design helps with keeping the outer wall cool and reducing clearance to combustibles. Refer to specification sheets on which fuels and applications your double wall pipe can be used with.


Triple Wall

Triple Wall pipe concists of three walls, an inner wall, an intermidiate wall usually stuffed with insullation, and a outer wall which is seperated by a column of air from the second wall. The middle wall with insulation helps keep the inner wall at a consistant temperature and avoids hot spots through out the pipe. The triple wall design is seen on Class A chimney pipe and helps keep clearance to combustables to a minimum.


Pipe Class
X duravent dictionary

What Each Pipe Class Means:

Stove Pipe

Stove Pipe:

  • Comes in Single or Double Wall construction
  • DuraBlack (single-wall) and DVL (double-wall) are DuraVent's Stovepipe Series
  • Used to Connect a Stove Appliance to Vent Through a Ceiling or Out Through a Wall and Connect to Chimney Pipe.
Class A

Class A Chimney Pipe:

  • Comes in Double or Triple Wall Construction
  • Also known as High Temperature Chimney Pipe (up to 1000 Degrees F)
  • DuraVent Class A Chimney Pipe has a 2" Clearance to Combustibles
AL29-4C

AL29-4C:

  • Used to Vent Natural Gas, Propane, or Oil Appliances, Wood or Pellete Stoves, Fireplaces and Fireplace Inserts
  • Also Known as Special Gas Vent Pipe
  • Designed to Withstand Highly Corrosive Condensates. Refer to Your Appliance Owner's Manual and Make Sure this is the Type of Pipe You Need.
Type B

Type B:

  • Type B Gases are Liquid Propane or Natural Gas and Type B Vent Pipe is Used Specifically for Appliances that These Gases
  • Type B Vent Pipe Comes in Round or Oval Formats
  • Diameters: 3"-30" Round or 4"-6" Oval
  • Always Refer to Appliance Owner's Manual for the Correct Type of Pipe You Will Need
Type L

Type L:

  • Type L Gas is Also Kknown as Pellet or Biofuels
  • Should ONLY be Used with Stoves or Inserts that Use Wood Pellets, Oil Fuel, Corn, Switch Grass, Cherry Pits, or any other Biofuel
  • DuraVent PelletVent Pro has a 1" Clearance to Combustibles in the USA and Canada
Direct Vent

Direct Vent:

  • Direct Vent Pipe is ONLY meant for Direct Vent Gas or Propane Stoves, Heaters, and Fireplaces
  • A direct vent appliance uses a two pipe system which takes combustion air from the outside through one pipe, and then exhausts flue gases out the other pipe
  • Clearance to Combustibles are Specified by the Appliance Manufacturer
  • Refer to Your Appliance's Owner Manual for Sepecific Pipe
Material
X

Material

Galvanized Steel

Galvanized Steel is mainly used when pipe is inside of a house or masonry chimney. This material is used on the outer or middle wall of vent pipe.

Stainless Steel

Stainless Steel pipe is great when it is exposed to the outside elements and is the prefered material when outside of a home or chimney.

Aluminum

Aluminum material is mainly the inner or intermediate (middle) pipe of double or triple wall chimney and stove pipe.

Length
X

Length

Pipe length is measured from the bottom of the pipe to the top of the pipe. See diagram.


Fuel Type
X

Fuel Type

Choose the fuel type of your appliance, stove, or fireplace. Your selection will sort the correct type of pipe that will be compatible with the application you need.

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  • DuraVent 8GVWS 8" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - Wall Strap
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