Duravent 4" x 6-5/8" DirectVent Pro 36" DVA Concentric Flex | 46DVA-36FF
Images & size shown are for reference only: colors may vary by screen, lighting, & natural material variation. See description for dimensions & finish options or call us to request a sample if an exact match is needed.
Duravent 4" x 6-5/8" DirectVent Pro 36" DVA Concentric Flex | 46DVA-36FF is backordered and will ship as soon as it is back in stock.
Choose with help from our Maspeth showroom. Read customer reviews on Google.
Pickup available at Maspeth, NY Showroom
Usually ready in 2-4 days
- Northeast shipping. Eligible orders over $999 ship free within our 11-state area; other eligible orders have a flat rate at checkout. Product exclusions apply. Shipping details.
- Factory-authorized Duravent dealer. You keep the full manufacturer warranty.
- 30-day returns, no restocking fee.
- Professional installation available across NYC, Long Island, Westchester, northern NJ and Greenwich/Stamford, CT.
Maspeth, NY 11378
- Monday–Friday
- 9:00 AM–5:00 PM
- Saturday
- 10:00 AM–3:00 PM
- Sunday
- Closed
Call ahead to confirm the model you want to see and pickup readiness.
Shipping & Delivery Area
Shipping & Delivery Area
- Online shipping is limited to Maine, Vermont, New York, New Hampshire, Massachusetts, Connecticut, Pennsylvania, New Jersey, Maryland, Delaware and Rhode Island.
- Eligible orders over $999 receive free standard shipping; eligible orders of $999 or less have a flat rate shown at checkout.
- Our own trucks deliver eligible local orders up to 120 miles. e-NRG fuel, white-glove delivery and assembly have separate eligibility, distance limits and charges.
- For other states, or when no delivery option appears, call 718-326-4328 for a quote before ordering.
- Read the shipping policy for details.
Assembly & Installation
Assembly & Installation
Our company installs in the following areas: Manhattan, Queens, Brooklyn, Nassau, Suffolk, Staten Island, Bronx, & Westchester NY. Hudson, Union, Essex, & Bergen NJ. Greenwich & Stamford, CT. Check out our portfolio of projects we built!
WE OFFER INSTALLATION FOR THE PRODUCTS WE SELL BELOW
- Outdoor Kitchens
- Outdoor Fireplaces/Firepits
- Outdoor Pizza Ovens
- Gas Fireplaces
- Gas Inserts
- Gas Log Sets
- Fireplace Doors
- Fireplace Mantels
- Electric Fireplaces
- Water Vapor Fireplaces
- Ethanol Fireplaces
Call for a free quote 718-326-4328
Warranty
Warranty
Manufacturer's warranty their products only if they are purchased from an authorized retailer like us. If an issue occurs and the item was purchased from a 3rd party website i.e. Amazon, your claim may be denied. What this means for you as a customer? As a factory authorized & trained dealer for every brand on our website, you will maintain full manufacturer's warranty. Please click on the manufacturer's manual in the description for full warranty coverage information.
Returns
Returns
- No-Restock Fees
- 30-Day Return Policy
- The NYC Fireplaces Team wants you to love what it is that you've ordered! If for some reason you have an issue with your product, we offer a '30-Day Return Policy'.
- We allow returns on all new, unused, unassembled, and "resalable" items in their original packaging within 30 days of the delivery date for a refund (minus the original shipping costs, and the shipping costs you incur shipping the product back). Naturally, if your return is because of our error, you are not responsible for any shipping costs.
Duravent 4" x 6-5/8" DirectVent Pro 36" DVA Concentric Flex | 46DVA-36FF is backordered and will ship as soon as it is back in stock.
Description
Description
Available Flex Lengths: DuraVent 4 in x 6-5/8 in DirectVent Pro Concentric Flex
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
Think beyond the appliance
Build your complete setup
Choose the level of help you need. We’ll confirm the exact model, compatible parts and a clear quote before you commit.
The appliance
Know your model and configuration? Shop the appliance and review exactly what is included.
The complete setup
Ask us to pair the appliance with the correct trim, venting, cover, cart or other model-specific accessories.
The installed project
For projects within our service area, ask for a quote covering product selection, compatible components and installation.
These are planning options, not pre-priced bundles. Accessories, delivery and installation are separate unless your written quote includes them.
Buy with the whole project in mind
Make sure this model fits your project
A few details now can help you avoid ordering the wrong size, fuel type or installation components.
1. Confirm fit
Check finished dimensions, opening or cutout measurements and the manufacturer’s required clearances.
2. Match the fuel and connections
Confirm the exact model’s fuel type, electrical requirements and any venting or ventilation requirements.
3. Complete the setup
Check what is included. Ask us to quote compatible accessories, delivery and installation separately where needed.
See the work. Hear from customers.
Explore completed installations and independent Google reviews to learn about working with NYC Fireplaces & Outdoor Kitchens.
Questions to settle before you order
How do I know which size and configuration to order?
Have your dimensions, photos, fuel or power details and preferred model ready. Contact our showroom before ordering if fit or compatibility is unclear. Follow the manufacturer’s installation instructions.
Does the price include everything I need?
Check the product description and selected configuration for included parts. Venting, trim, surrounds, covers, carts, fuel and installation may be separate. Ask for a complete quote before purchasing.
Can you deliver and install it?
Delivery and installation depend on your address and the product. Review our shipping policy and call for an installation quote. Confirm availability and timing before booking work. Read shipping details. Read return terms.
Product, accessory and installation prices are separate unless the offer explicitly includes them. Compatibility must be confirmed for the exact model.
