Part Number: 4DFA-35
eFireplaceStore Item Number: CPF-68830
*Venting Requirements: This unit requires venting pipe with an inner diameter of 4 Inches. Please see the Venting Components section on this page for venting pipe that must be used with this unit.
This Dura-Vent DirectVent Pro 4-Inch x 35-Foot Aluminum Chimney Liner is exactly what you need when converting your factory-built or masonry chimney to a direct vent system. Constructed with two layers of flexible .010" aluminum, this liner has no problem standing up to extreme heat and frequent use.
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