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Wall Construction
Most stovepipe and gas vent is single or double wall. Double wall stovepipe or gas vent has an open \"air layer\" inbetween the walls.\r\n\r\nClass A Chimney pipe is generally double wall, with a layer of ceramic insulation between the two walls. More expensive triple-wall Class A pipe uses the same ceramic layer, but adds an additional air layer between the second and third walls.
Wall Construction

Vent Pipe Size

  • 3 (1)
  • 4 (94)
  • 5 (1)

Application

 

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Pipe Inside Diameter
This can be measured from interior wall to interior wall of the innermost walls in a venting component. Typically, this measurement will coincide with the flue size, in systems where no increasers, or decreasers are used.\r\n
Pipe Inside Diameter

  • 3 (1)
  • 4 (94)
  • 5 (1)

4 Inch Double Wall Special Gas Vent Pipe


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    • Heat-Fab SC04E45 more info

      Heat-Fab SC04E45

      4" Saf-T Vent SC 45° Elbow

      • Our Price: $84.08
      • You Save: 35%
    • Heat-Fab 9401RYPK more info

      Heat-Fab 9401RYPK

      4" Saf-T Vent Seal Raypak Hi-Delta Adapter

      • Our Price: $29.72
      • You Save: 29%
    • Heat-Fab 9402 more info

      Heat-Fab 9402

      4"x12" Straight Length

      • Our Price: $25.99
      • You Save: 28%
    • Heat-Fab 9405 more info

      Heat-Fab 9405

      4"x24" Straight Length

      • Our Price: $42.03
      • You Save: 28%
    • Heat-Fab 9424 more info

      Heat-Fab 9424

      4" Saf-T Vent Seal Two Piece 6"-19" Adjustable Length

      • Our Price: $51.88
      • You Save: 28%
    • Heat-Fab 9490TEE more info

      Heat-Fab 9490TEE

      4" Saf-T Vent Seal Screened Termination Tee

      • Our Price: $58.73
      • You Save: 35%
    • DuraVent W2-WT4 more info

      DuraVent W2-WT4

      4 Inch Wall Thimble with Double Wall Construction and Adjustable Vent Length From the FasNSeal Series

      • Our Price: $192.00
      • You Save: 27%
    • DuraVent W2-WBT4 more info

      DuraVent W2-WBT4

      4" Inner Diameter - FasNSeal AL29-4C Special Gas Vent Pipe - Double Wall - Wide Mouth Boot Tee

      • Our Price: $187.76
      • You Save: 20%
    • DuraVent W2-TC4 more info

      DuraVent W2-TC4

      4 Inch Double Wall Tee Cap From the FasNSeal Series

      • Our Price: $38.57
      • You Save: 20%
    • DuraVent W2-T4 more info

      DuraVent W2-T4

      4 Inch Double Wall Standard Tee From the FasNSeal Series

      • Our Price: $239.09
      • You Save: 19%
    • DuraVent W2-RC4 more info

      DuraVent W2-RC4

      4 Inch Double Wall Rain Cap From the FasNSeal Series

      • Our Price: $99.00
      • You Save: 19%
    • DuraVent W2-IPSDF4 more info

      DuraVent W2-IPSDF4

      4" Inner Diameter - FasNSeal W2 AL29-4C Special Gas Vent Pipe - Double Wall - 3.5" IPS Drain Fitting

      • Our Price: $220.20
      • You Save: 20%
    • DuraVent W2-DF4 more info

      DuraVent W2-DF4

      4 Inch Double Wall Drain Fitting From the FasNSeal Series

      • Our Price: $81.20
      • You Save: 20%
    • DuraVent W2-AVL4 more info

      DuraVent W2-AVL4

      4 Inch Double Wall Adjustable Vent Length From the FasNSeal Series

      • Our Price: $125.97
      • You Save: 19%
    • DuraVent W2-AATP04 more info

      DuraVent W2-AATP04

      4 Inch W2 Appliance Adapter with Test Port From the FasNSeal Series

      • Our Price: $110.23
      • You Save: 19%
    • DuraVent W2-AA4 more info

      DuraVent W2-AA4

      4 Inch FasNSealW2 Appliance Adapter From the FasNSeal Series

      • Our Price: $95.13
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    • DuraVent W2-9004 more info

      DuraVent W2-9004

      90 Degree Double Wall Elbow for 4 Inch Inner Diameter Vent Pipe From the FasNSeal Series

      • Our Price: $146.55
      • You Save: 19%
    • DuraVent W2-8804 more info

      DuraVent W2-8804

      88 Degree Double Wall Elbow for 4 Inch Inner Diameter Vent Pipe From the FasNSeal Series

      • Our Price: $146.55
      • You Save: 19%
    • DuraVent W2-604 more info

      DuraVent W2-604

      6 Inch Double Wall Vent Length From the FasNSeal Series

      • Our Price: $68.14
      • You Save: 19%
    • DuraVent W2-45I more info

      DuraVent W2-45I

      4 Inch-to-5 Inch Stepped Increaser From the FasNSeal Series

      • Our Price: $88.31
      • You Save: 20%
    • DuraVent W2-4504 more info

      DuraVent W2-4504

      45 Degree Double Wall Elbow for 4 Inch Inner Diameter Vent Pipe From the FasNSeal Series

      • Our Price: $113.12
      • You Save: 20%
    • DuraVent W2-3604 more info

      DuraVent W2-3604

      36 Inch Double Wall Vent Length From the FasNSeal Series

      • Our Price: $195.39
      • You Save: 19%
    • DuraVent W2-3004 more info

      DuraVent W2-3004

      30 Degree Double Wall Elbow for 4 Inch Inner Diameter Vent Pipe From the FasNSeal Series

      • Our Price: $104.07
      • You Save: 20%
    • DuraVent W2-2404 more info

      DuraVent W2-2404

      24 Inch Double Wall Vent Length From the FasNSeal Series

      • Our Price: $125.97
      • You Save: 19%
    • DuraVent W2-1804 more info

      DuraVent W2-1804

      18 Inch Double Wall Vent Length From the FasNSeal Series

      • Our Price: $107.99
      • You Save: 20%
    • DuraVent W2-1504 more info

      DuraVent W2-1504

      15 Degree Double Wall Elbow for 4 Inch Inner Diameter Vent Pipe From the FasNSeal Series

      • Our Price: $104.07
      • You Save: 20%
    • DuraVent W2-1204 more info

      DuraVent W2-1204

      12 Inch Double Wall Vent Length From the FasNSeal Series

      • Our Price: $83.56
      • You Save: 20%
    • DuraVent W2-0304TI more info

      DuraVent W2-0304TI

      3 Inch x 4 Inch Tapered Increaser From the FasNSeal Series

      • Our Price: $152.39
      • You Save: 19%
    • Heat-Fab SC04TCF more info

      Heat-Fab SC04TCF

      4" Saf-T Vent SC Flashing, Flat 2/12 Pitch

      • Our Price: $36.48
      • You Save: 35%
    • Heat-Fab SC04TCFB more info

      Heat-Fab SC04TCFB

      4" Saf-T Vent SC Flashing, Flat 6/12 12/12 Pitch

      • Our Price: $43.35
      • You Save: 35%
    • Heat-Fab SC04TCFA more info

      Heat-Fab SC04TCFA

      4" Saf-T Vent SC Flashing, Flat 2/12 6/12 Pitch

      • Our Price: $41.18
      • You Save: 35%
    • Heat-Fab SC04TAD4 more info

      Heat-Fab SC04TAD4

      4" Saf-T Vent SC Air Intake Tee 4"

      • Our Price: $106.73
      • You Save: 28%
    • Heat-Fab SC04RC more info

      Heat-Fab SC04RC

      4" Saf-T Vent Seal Cat III/IV Rain Cap

      • Our Price: $92.58
      • You Save: 28%
    • Heat-Fab SC04L6 more info

      Heat-Fab SC04L6

      4" Saf-T Vent SC 6" Length

      • Our Price: $61.79
      • You Save: 35%
    • Heat-Fab SC04L36 more info

      Heat-Fab SC04L36

      4" Saf-T Vent SC 36" Length

      • Our Price: $114.95
      • You Save: 35%
    • Heat-Fab SC04L24 more info

      Heat-Fab SC04L24

      4" Saf-T Vent SC 24" Length

      • Our Price: $85.81
      • You Save: 35%
    • Heat-Fab SC04L12 more info

      Heat-Fab SC04L12

      4" Saf-T Vent SC 12" Length

      • Our Price: $70.82
      • You Save: 35%
    • Heat-Fab SC04FS more info

      Heat-Fab SC04FS

      4" Saf-T Vent SC 10" x 10" Firestop/Support/Wall Plate

      • Our Price: $18.88
      • You Save: 28%
    • Heat-Fab SC04FSA more info

      Heat-Fab SC04FSA

      4" Saf-T Vent SC 12" x 12" Firestop/Support/Wall Plate

      • Our Price: $15.41
      • You Save: 33%
    • Heat-Fab SC04E90 more info

      Heat-Fab SC04E90

      4" Saf-T Vent SC 90° Elbow

      • Our Price: $95.21
      • You Save: 35%
    • Heat-Fab SC04DRN more info

      Heat-Fab SC04DRN

      4" Saf-T Vent SC Conical Vertical/Horizontal In-Line 1/2" Drain

      • Our Price: $119.03
      • You Save: 28%
    • Heat-Fab SC04ADEZ more info

      Heat-Fab SC04ADEZ

      4" Saf-T Vent SC Adapter From

      • Our Price: $58.59
      • You Save: 28%
    • Heat-Fab CCK04FC more info

      Heat-Fab CCK04FC

      4" Saf-T Vent CI+ Termination Collar

      • Our Price: $42.12
      • You Save: 14%
    • Heat-Fab CCA04ADUV more info

      Heat-Fab CCA04ADUV

      4" Saf-T Vent CI+ Universal Adapter

      • Our Price: $116.75
      • You Save: 14%
    • Heat-Fab 94VSL more info

      Heat-Fab 94VSL

      4" Saf-T Vent Seal Vertical Support Leg

      • Our Price: $30.58
      • You Save: 28%
    • Heat-Fab 94GUY more info

      Heat-Fab 94GUY

      4" Saf-T Vent Seal Guy Support

      • Our Price: $87.21
      • You Save: 28%
    • Heat-Fab 9493S more info

      Heat-Fab 9493S

      4" Saf-T Vent Seal Square Wall Thimble

      • Our Price: $32.63
      • You Save: 28%
    • Heat-Fab 9493 more info

      Heat-Fab 9493

      4" Saf-T Vent Seal Round Wall Thimble Plate

      • Our Price: $32.63
      • You Save: 28%
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