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DuraVent - DuraFlex 316, 3" - 8" Inner Diameter 15" - 100" Length

SKU 4DF316-15
Original price $451.49
Original price $451.49 - Original price $3,813.32
Original price $451.49
Current price $406.34
$406.34 - $3,431.99
Current price $406.34
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DuraVent - DuraFlex 316, 3" - 8" Inner Diameter 15" - 100" Length

Use with wood-pellet, non-condensing gas, wood-burning, and oil appliances. Custom lengths available for 3”-8” diameters. Minimum length of 10’ for custom orders. Maximum 100' for 3" - 8". Must be ordered in increments of 10'. 3"-8" diameter flex can be ovalized up to the first 4'. Call Customer Service to add ovalizing to your order and for pricing.


  • Fuel Types Compatible With: Wood/Oil/Coal, Gas, Pellet
  • UL Listed: Yes
  • Single Wall Construction

Typical Installation(Refer this if required)

 Refer to our Typical Venting Installation drawing to select the appropriate component.

  • The inner pipe diameter should match the outlet size of the appliance.
  • Check the appliance manufacturer’s installation instructions to confirm which types of vent configurations are permitted (i.e. horizontal, vertical, chimney reline, etc.). Also, check for any venting restrictions such as maximum horizontal run, minimum and maximum vertical rise, maximum offset, etc.
  • Be fire safe! Use proper support and bracing. Follow local building codes and have your venting system inspected.

More Typical Installations:


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