VFT flexible liners are used for upgrading or restoring masonry chimneys that vent Category I natural gas, propane or oil appliances, wood or pellet stoves, fireplaces and fireplace inserts. VG flexible liners are top performers when used to line masonry chimneys venting Category I gas-fired boilers, furnaces, space and water heaters.
Materials and Construction
VFT Single-wall, .006" 316 stainless steel. Continuous weld delivers a strong, air and water tight flue gas conduit.
VG Single-wall, .006" AL29-4C stainless steel. Continuous weld construction.
VFT 0" clearance to masonry chimney for oil and gas. With TherMix or ProFoil insulation 0" clearance for solid fuels.
VG 0" clearance to masonry for gas appliances.
UL Listed to UL 1777 and ULC S635 (MH11476).
Refer to our Typical Venting Installation drawings to select the appropriate component parts for your installation.
More Typical Installations:
|Installation Key |
|1 ||Rain Cap w/Storm Collar |
|2 ||Top Cover Plate |
|3 ||Flex Length |
|4 ||Tee with Removeable Snout |
|5 ||Sleeve |
|6 ||Rigid Type B Gas Vent or Rigid Pipe Length |
|7 ||Adjustable Elbow |
|8 ||FasNSeal Universal Appliance Adapter or DuraFlex Appliance Adapter |
|9 ||Bottom Plate w/Collar |
|10 ||ProFoil w/ProMesh or Thermix |
Planning Your Installation:
|1 ||Verify the venting requirements of the appliance used. Choose the liner system appropriate for the appliance and installation. Note: VFT is recommended for all fuels and VG is the best choice for gas. |
|2 ||Refer to the Typical Installations for the type of liner installation similar to your situation. Identify the needed parts for installation. |
|3 ||Venting for a fireplace requires the correct liner size for proper drafting. The size of the liner should match the outlet size on the appliance. |
|4 ||Determined the length of the liner needed. |
|5 ||If connecting two or more appliances to a common vent, be sure to connect the higher BTU appliance below the lower BTU appliance. |
|6 ||Make sure of a proper fit for the top plate of the relining to provide a secure, leak-proof installation. |
|7 ||If a free standing appliance is used, select the vent or stovepipe pieces to connect from the appliance to the liner (refer to the appropriate Simpson Dura-Vent Catalog Section). |
|8 ||Important! Check to be sure the installation complies with all local and national code requirements, including clearances to combustibles. Contact the local building inspector for permit requirements. |
Ventinox Lifetime Warranty
M&G DuraVent, Inc. ("DuraVent") provides this lifetime warranty for Ventinox for the lifetime of the product. Subject to the limitations set forth below, DuraVent warrants that its products will be free from defects in material or manufacturing, if properly installed, maintained and used. DuraVent products are fully warranted if installed only by a professional installer. This Warranty is transferable from the original homeowner to the buyer of the home. This warranty does not cover normal wear and tear, smoke damage or damage caused by chimney fires, acts of God, or any product that was: (1) purchased other than from an authorized DuraVent dealer, retailer or distributor; (2) modified or altered; (3) subject to negligence or any use not in accordance with the installation instructions included with the product as determined by DuraVent. The Liner and Components warranty is further subject to compliance with the following requirements throughout the warranty period: The chimney must have a chimney cap; chemical chimney cleaners must not be used when cleaning the Liner or Components; documented annual inspection of the Liner and Components and maintenance as deemed necessary, beginning one year after the date of installation and continuing throughout the warranty period, by a Nationally Certified Chimney Sweep or Ventinox® installer. Plastic-bristle flue cleaning brushes are recommended.
Installation instructions are available online under Support/Literature and through our Customer Service Department 800-835-4429 or firstname.lastname@example.org. This lifetime warranty applies only Ventinox parts manufactured by DuraVent.
DuraVent provides the following warranties for Ventinox: One Hundred Percent (100%) for the lifetime of the product.
All warranty obligations of DuraVent shall be limited to repair or replacement of the defective product pursuant to the terms and conditions applicable to each product line. These remedies shall constitute DuraVent’s sole obligation and sole remedy under this warranty. This warranty provides no cash surrender value. The terms and conditions of this warranty may not be modified, altered or waived by any action, inaction or representation, whether oral or in writing, except upon the express, written authority of an executive officer of DuraVent.
Corn, bio-fuels, driftwood or other wood containing salt, preservative-treated lumber, plastic and household trash or garbage, or wood pellets containing such materials must not be burned in the appliance or fireplace. In case of a chimney fire, the chimney must be inspected and approved by a certified Chimney Sweep before reuse. After each annual inspection, maintenance, and cleaning, the certified Chimney Sweep must fill out and date the appropriate section of the warranty card provided with the chimney liner.
LIMITATIONS ON VENTINOX INTERNET SALES: Notwithstanding any other terms or conditions of this Ventinox Lifetime Warranty, DuraVent provides no warranty for Ventinox® if it is not installed by a qualified professional installer. For purposes of this warranty, a trained professional installer is defined as one of the following: licensed contractors with prior chimney installation experience, CSIA Certified Chimney Sweeps, NFI Certified Specialists, or WETT Certified Professionals. DuraVent must be notified and given the opportunity to inspect defective product prior to replacement under the terms of this limited lifetime warranty. All warranty claims must be submitted with proof of purchase. Labor and installation costs are not covered under this warranty. To obtain warranty service contact: DuraVent Warranty Service, 877 Cotting Ct., Vacaville CA 95688, or call 800-835-4429.
WHERE LAWFUL, DURAVENT DISCLAIMS ALL OTHER WARRANTIES, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL DURAVENT BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL, PUNITIVE OR SPECIAL DAMAGES OR DIRECT OR INDIRECT LOSS OF ANY KIND, INCLUDING BUT NOT LIMITED TO PROPERTY DAMAGE AND PERSONAL INJURY. DURAVENT’S ENTIRE LIABILITY IS LIMITED TO THE PURCHASE PRICE OF THIS PRODUCT. SOME STATES DO NOT ALLOW LIMITATIONS ON IMPLIED WARRANTIES, OR THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU. THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS THAT VARY FROM STATE TO STATE.
Ventinox Lifetime Warranty (PDF, 146KB )