Dura-Vent DirectVent Pro 4-Inch x 35-Foot Aluminum Chimney Liner - For Converting Factory-Built and Masonry Chimneys to Direct Vents - 2281
Dura-Vent DirectVent Pro 4-Inch x 35-Foot Aluminum Chimney Liner - For Converting Factory-Built and Masonry Chimneys to Direct Vents - 2281
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Contractor / Technical Details
Product Line
DuraFlex Aluminum
Vent Type
B-Vent
UL Listing
UL1777
Pipe Shape
Round
Telescoping
No
Adjustable
No
Number of Walls
1
Material
Aluminum
Frequently Purchased Together
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Features
- 4" x 35' aluminum liner
- Required when using any Dura-Vent DirectVent Pro Factory-Built or Masonry Chimney Conversion Kit
- Constructed with two layers of flexible .010" aluminum
Applications - DirectVent Pro is a unitized, coaxial venting system designed for use with direct vent gas or propane stoves, heaters, and fireplaces.
Materials and Construction - .020" aluminum inner wall. .018" galvanized steel outer wall. Painted outer walls made of laser-welded .018" galvalume steel. Outer pipe brings combustion air to the appliance. Inner pipe exhausts flue gases to the outside. Gaskets or sealants not required (unless specified by the appliance manufacturer).
Clearances - Specified by the appliance manufacturer.
Listings - DirectVent Pro, in combination with the gas appliance, has been tested and listed as a decorative gas appliance system or as a direct vent heater system by a major testing agency, such as UL, CSA, Warnock Hersey, or OMNI.
DuraVent Item Number: 2281
Contractor / Technical Details
Product Details
Product Line
DuraFlex Aluminum
Vent Type
B-Vent
UL Listing
UL1777
Pipe Shape
Round
Telescoping
No
Adjustable
No
Number of Walls
1
Material
Aluminum
Painted
No
Adapter Needed
No
Support Included
No
Flex Type
Relining
Rigid Compatibility
Yes
Includes Trim
No
Includes Insulation Shield
No
Is Firestop
No
Includes Adapter
No
Includes Cap
No
Vented
No
Firestop Required
No
Air Intake
No
Dimensions / Measurements
Outside Diameter
4 inches
Inside Diameter
4 inches
Max Effective Length
420 inches
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