Description
DirectVent Pro Concentric Flex from Duravent
Use as a cost-effective alternative to elbows when offsetting around an obstacle. Can also be used for simple rear-vent, up & out, or cross-corner installations. Features twist-lock collars on both ends and factory-installed, continuous spring spacer.
About the Duravent DirectVent Pro System
DirectVent Pro features tight inner connections for superb performance, with no gaskets or sealants required (unless specified by the appliance manufacturer). All black pipe lengths, pipe extensions, and elbows feature laser-welded outer wall seams for a sleek finish. Low-profile locks and no hems or beads allow for a beautiful product that looks elegant in any interior.
DuraVent’s direct vent is specified by nearly every major stove and fireplace manufacturer in the U.S. and Canada, with the largest choice of termination caps for direct vent available.
Applications
DirectVent Pro is a unitized, coaxial (concentric) 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 laserwelded .018” galvalume steel. Caps also available in stainless steel and copper. 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.
Diameters
4” x 6 5⁄8” and 5” x 8”.
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, or Warnock Hersey. Check with your appliance manufacturer for approval.
Resources
BROCHURE: Duravent DirectVent Pro
INSTALLATION MANUAL: DirectVent Pro Concentric Flex
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