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Dura-Vent DirectVent Pro Aluminum Chimney Liner Connector - 688-FLEXCONN

Dura-Vent DirectVent Pro Aluminum Chimney Liner Connector - 688-FLEXCONN

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Product Details

Manufacturer: DuraVent
DuraVent Part Numbers: 3DFA-FC
Item Number: CPF-688-FLEXCONN
UPC: 662492761601



  • Connects lengths of 3" or 4" aluminum liner together
  • For use with Dura-Vent liners
For extra large installations use this Dura-Vent DirectVent Pro Aluminum Chimney Liner Connector to connect sections of DirectVent Pro Aluminum Chimney Liner together.

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.

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Customer Q&A with Product Specialists

Margaret from CA asked:
What does this piece do?
What does this piece do?
This connector is designed to hook two lengths of 3 or 4 inch flexible aluminum liner sections together. In order to hold properly, sheet metal screws need to be run through the liner sections and into the connector.
Answered by: Collin C. - NFI Master Hearth Professional


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