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Duravent Type B Gas Vent Pipe

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Inside Pipe Diameter
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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.


Product Type
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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
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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.


Featured Series
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Popular DuraVent Series

DuraTech Series

DuraTech:

  • Double Wall All Fuel Chimney System
  • 5"-8" or Large Format 10"-24" Inner Pipe Diameters
  • For Use with Wood Stoves, Fireplaces, Furnaces, or Other Appliances Fueled by Wood, Oil, Coal, or Gas
DuraPlus

DuraPlus:

  • Triple Wall All Fuel Chimney System
  • 2" Clearance to Combustibles
  • 6"-8" Inside Pipe Diameters
  • Designed to Stay Cool on the Outside toPprovide a Hot Draft on the Inside to Boost Stove Efficiency
DuraBlack

DuraBlack:

  • Single Wall Stove Pipe for Wood Burning Stoves
  • Constructed with Die-formed End Fittings
  • Adjustable Lengths Eliminate Need for Cutting and Crimping
DirectVent Pro

DirectVent Pro:

  • Unitized, Co-Axial Venting System for Direct Vent Gas or Propane Stoves and Fireplaces
  • 4"x6-5/8" and 5"x8" Diameters
  • Features Tight Inner Connections for Superb Performance
DuraChimneyII

DuraChimney II:

  • Double Wall Air Cooled Chimney System for Masonry Fireplaces that Burn Wood, Oil, Coal, or Gas
  • 2" Clearance to Combustibles
  • Unitized Lightweight Design Eliminates the Need for Field Assembly of Pipe
DVL

DVL:

  • Double Wall Stove Pipe
  • 6" Clearance to Walls and 8" Clearance to Ceilings including cathedral ceilings
  • Air Insulated Design Reduces Clearances to Combustibles
  • Improves Stove Performance by Maintaining High Flue Gas Temperatures for a Strong and Steady Draft
Pipe Class
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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
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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.

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Length
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Length

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


Width
Depth
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Shop Products that are discounted and currently 10%-30% off of manufacturer pricing. Most Products are discounted on a monthly basis and this category will be updated on the 1st of every month.

Fuel Type
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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.

Free Shipping and Extra Savings on All DuraVent Products. Use Coupon Code: DURAVENT5 at Checkout.
  • DuraVent 4GWFS

    4" Inner Diameter - Type B Oval Gas Vent - Double Wall - Firestop with Spacer

    • Free Shipping!
    • $6.06
  • DuraVent 8GVDC

    Aluminum DuraCap with 8 Inch Inner Diameter

    • Free Shipping!
    • $39.39
  • DuraVent 3GV24

    3" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 24" Pipe Length

    • Free Shipping!
    • $13.13
  • DuraVent 4GVFS

    4" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - Firestop Spacer

    • Free Shipping!
    • $6.00
  • DuraVent 6GV24

    6" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 24" Pipe Length

    • Free Shipping!
    • $22.77
  • DuraVent 8GVTC

    Aluminum Tee Cap with 8 Inch Inner Diameter

    • Free Shipping!
    • $8.30
  • DuraVent 3GV36

    3" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 36" Pipe Length

    • Free Shipping!
    • $16.93
  • DuraVent 6GV12A

    6" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 12" Adjustable Pipe Length

    • Free Shipping!
    • $21.74
  • DuraVent 3GVL45

    3" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 45" Degree Elbow

    • Free Shipping!
    • $13.49
  • DuraVent 8GVSC

    Aluminum Storm Collar with 8 Inch Inner Diameter

    • Free Shipping!
    • $7.13
  • DuraVent 4GVFSR

    Aluminum Steep Roof Flashing with 4 Inch Inner Diameter

    • Free Shipping!
    • $26.49
  • DuraVent 4GW24

    4" Inner Diameter - Type B Oval Gas Vent - Double Wall - 24" Pipe Length

    • Free Shipping!
    • $27.57
  • DuraVent 8GVL90

    8" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 90" Degree Elbow

    • Free Shipping!
    • $61.02
  • DuraVent 6GVL90

    6" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 90" Degree Elbow

    • Free Shipping!
    • $39.70
  • DuraVent 3GVPC

    3" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - Decorative Pipe Collar

    • Free Shipping!
    • $4.35
  • DuraVent 3GVC

    3" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 6" Draft Hood Connector

    • Free Shipping!
    • $9.31
  • DuraVent 8GV48

    8" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 48" Pipe Length

    • Free Shipping!
    • $65.72
  • DuraVent 3GVDC

    Aluminum DuraCap with 3 Inch Inner Diameter

    • Free Shipping!
    • $15.55
  • DuraVent 4GVC

    4" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 6" Draft Hood Connector

    • Free Shipping!
    • $10.07
  • DuraVent 4GVPC

    4" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - Decorative Pipe Collar

    • Free Shipping!
    • $4.41
  • DuraVent 4GVRS

    4" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - Square Firestop Support

    • Free Shipping!
    • $16.29
  • DuraVent 4GWL45

    4" Inner Diameter - Type B Oval Gas Vent - Double Wall - 45 Degree Standard Elbow

    • Free Shipping!
    • $38.90
  • DuraVent 5GWFS

    5" Inner Diameter - Type B Oval Gas Vent - Double Wall - Oval Firestop Spacer

    • Free Shipping!
    • $5.95
  • DuraVent 5GV36

    5" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 36" Pipe Length

    • Free Shipping!
    • $25.53
  • DuraVent 5GVF

    Aluminum Adjustable Roof Flashing with 5 Inch Inner Diameter

    • Free Shipping!
    • $16.23
  • DuraVent 4GVWT

    4" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - Wall Thimble

    • Free Shipping!
    • $16.03
  • DuraVent 7GVVTH

    Aluminum High-Wind Cap with 7 Inch Inner Diameter

    • Free Shipping!
    • $41.18
  • DuraVent 4GVK

    4" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - Roof Top Termination Kit

    • Free Shipping!
    • $78.00
  • DuraVent 5GVC

    5" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 6" Draft Hood Connector

    • Free Shipping!
    • $10.24
  • DuraVent 14GV36

    14" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 36" Pipe Length

    • Free Shipping!
    • $272.65
  • DuraVent 6GVY46

    4" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 6" x 4" x 6" - 45 Degree Branch

    • Free Shipping!
    • $70.34
  • DuraVent 10GVF

    Aluminum Adjustable Roof Flashing with 10 Inch Inner Diameter

    • Free Shipping!
    • $47.89
  • DuraVent 5GV12

    5" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 12" Pipe Length

    • Free Shipping!
    • $12.10
  • DuraVent 5GWAOR

    5" Inner Diameter - Type B Oval Gas Vent - Double Wall - Oval-to-Round Adapter

    • Free Shipping!
    • $50.94
  • DuraVent 5GVRS

    5" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - Square Firestop Support

    • Free Shipping!
    • $18.23
  • DuraVent 4GVT

    4" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - Standard Tee

    • Free Shipping!
    • $34.27
  • DuraVent 5GWSC

    5" Inner Diameter - Type B Oval Gas Vent - Double Wall - Storm Collar

    • Free Shipping!
    • $13.06
  • DuraVent 7GVL45

    7" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 45" Degree Elbow

    • Free Shipping!
    • $43.25
  • DuraVent 7GV60

    7" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 60" Pipe Length

    • Free Shipping!
    • $83.72
  • DuraVent 6GVS

    Aluminum Gas Vent Roof Support with 6 Inch Inner Diameter

    • Free Shipping!
    • $13.81
  • DuraVent 4GVY44

    4" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 4" x 4" x 4" - 45 Degree Branch

    • Free Shipping!
    • $44.89
  • DuraVent 4GVAM

    4" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 6" Male Adapter

    • Free Shipping!
    • $12.58
  • DuraVent 3GV12A

    3" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 12" Adjustable Pipe Length

    • Free Shipping!
    • $14.03
  • DuraVent 7GVDC

    Aluminum DuraCap with 7 Inch Inner Diameter

    • Free Shipping!
    • $33.71
  • DuraVent 3GV12

    3" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 12" Pipe Length

    • Free Shipping!
    • $8.17
  • DuraVent 3GVT

    3" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - Standard Tee

    • Free Shipping!
    • $29.76
  • DuraVent 3GVX4

    3" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 3" to 4" Increaser

    • Free Shipping!
    • $18.70
  • DuraVent 6GV36

    6" Inner Diameter - Type B Round Gas Vent Pipe - Double Wall - 36" Pipe Length

    • Free Shipping!
    • $29.58

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