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DuraVent - 3" & 4" Wall Thimble Air Intake Kit

Original price $485.65
Original price $306.90 - Original price $485.65
Original price $485.65
Current price $307.08
$290.02 - $307.08
Current price $307.08
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DuraVent - 3" & 4" Wall Thimble Air Intake Kit (includes:  Wall Thimble [for 1" clearance]; 2" AL Flex; [2} hose clamps)

Allows outside fresh air for combustion through the wall thimble without having to cut a second hole into the wall. Comes with an insulation ring to reduce air infiltration where the pipe slips through the thimble. The 2” diameter flex hose is 10’ in length. Clamps included. Can be used in US and Canada. Patented.


  • Available increasing sizes : 3" & 4"
  • Fuel Type: BioFuel, Oil, Pellet
  • Length: 13"
  • Width: 13"
  • Double Wall Construction
  • UL Listed

Typical Instructions(Refer this if required)

Refer to our Typical Venting Installation drawings to select the appropriate component parts for your installation.

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