DuraVent FasNSeal 5" 23 Degree 29-4C Stainless Steel Bird Screen
SKU: 28298776816

DuraVent FasNSeal 5" 23 Degree 29-4C Stainless Steel Bird Screen

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Description

DuraVent FasNSeal 5" 23 Degree 29-4C Stainless Steel Bird ScreenAll FasNSeal (single wall) vent lengths and components feature patented built in mechanical locking band and triple lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90 from mechanical locking bands. This construction feature allows for ease of installation. The air space between the inner and outer wall on FasNSeal W2 helps to reduce the clearance to combustibles in addition to creating a heat shield

All FasNSeal® (single-wall) vent lengths and components feature patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. This construction feature allows for ease of installation. The ½” air space between the inner and outer wall on FasNSeal® W2 helps to reduce the clearance to combustibles in addition to creating a heat shield for additional safety.

All FasNSeal® components which come in contact with exhaust gases and condensates are now silicone free. This important design and manufacturing feature greatly reduces the chances of system breakdown and failure. The main problems with silicone are there are too many adhesion factors which are very difficult to control and the process of binding similar materials with an epoxy, which can weaken the bond over time.

What's Included

  • Bird Screen

Features

  • Available in 3" to 16" diameter
  • Available in 29-4C and 316L Stainless Steel
  • Use for 3” to 16” through-the-wall termination.
  • Deters rain and other elements from entering the vent system.
  • Check installation instructions for restrictions on horizontal terminations, such as minimum distance from windows and doors.
  • Use to vent Category II, III, and IV gas burning appliances.

Specifications

Brand DuraVent
Series FasNSeal
Model FSBS5
Product Type Bird Screen
Construction 29-4C Stainless Steel
Size (Diameter) 5"
A 4 4/5"

Technical Dimensions

Warranty

DuraVent, Inc. (“DuraVent”) provides this limited lifetime warranty for all of its products with the exception of Ventinox® (lifetime), and PolyPro® (ten years). 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.
Click to See Warranty Coverage and Limitations


DuraVent, Inc. (“DuraVent”) provides this limited lifetime warranty for all of its products with the exception of Ventinox® (lifetime), and PolyPro® (ten years). 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) improperly serviced, inspected or cleaned; or (4) subject to negligence or any use not in accordance with the installation instructions included with the product as determined by DuraVent.

 

DuraVent provides the following warranties for its products: One Hundred Percent (100%) MSRP 15 years from the date of purchase, and Fifty Percent (50%) thereafter, except for the following limitations on: all Termination Caps and DuraBlack® are warranted at One Hundred Percent (100%) for five years. 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 INTERNET SALES: Notwithstanding any other terms or conditions of this Limited Lifetime Warranty, DuraVent provides no warranty for the following specific products if such products are not installed by a qualified professional installer: DuraTech®, DuraTech® DTC, DuraTech® Premium, DuraPlus HTC®, DDW®, DuraChimney® II, PelletVent Pro®, DirectVent Pro®, FasNSeal®, FasNSeal® W2, FasNSeal® Flex, and PolyPro®, and DuraVent’s relining products including DuraLiner®, DuraFlex® (SW, Pro, 316, 304), and Ventinox®. 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.

 

Download DuraVent Limited Lifetime Warranty here.

Documents & Files

Videos

Frequently Asked Questions

What are FasNSeal's Specifications?


Applications

FasNSeal is for use with natural gas or propane Categories II, III and IV appliances or Canada’s Type BH Gas Vent Systems, having a maximum rated operating temperature of 480°F and a maximum positive pressure of 15″ (FasNSeal Flex 6″) water column. FasNSeal can be used on a wide range of applications, including: high efficiency gas boilers, furnaces, booster heaters, pool heaters, water heaters, unit heaters, or tankless water heaters.

 

Materials and Construction

3″–7″: 29-4C or 316L stainless steel .016″
8″–12″: 29-4C or 316L stainless steel .019″
14″–16″: 29-4C or 316L stainless steel .024″

 

Diameters

3″ – 16″.

 

Listings

UL Listed to UL 1738 and ULC S636.

What is FasNSeal's Typical Installation?


Refer to our Typical Venting Installation drawings to select the appropriate component parts for your installation.

More Typical Installations:

1    Rain Cap
2    Storm Collar
3    Variable Pitch Roof Flashing
4    Vent Length
5    Adjustable Vent Length
6    Firestop/Flat Flashing
7    Horizontal Drip Tee
8    Elbow
9    Universal Condensate Drain
10    Appliance Adapter
11    Top Plate*
12    Female Flex Adapter
13    FasNSeal Flex
14    Male Flex Adapter
15    Standard Tee

 

Commercial Applications

Commercial projects may require custom parts and unique system designs. DuraVent offers complete project assistance:

  • Engineering Services: Personalized system design services offer comprehensive CAD submittal drawing and complete bills of materials.
  • Custom Parts: If your project requires innovative solutions, contact DuraVent for custom parts that meet your specific project needs.
  • FasNSeal W2: FasNSeal W2 is the ideal choice for commercial applications where there is a need for low clearances to combustibles.
  • Up to 16” Vent Diameters: Many commercial applications require large diameter systems due to the units size and output. Large diameters are available in single and double wall, featuring FasNSeal’s triple lipped directional gaskets and built-in locking band which provides a safe and convenient installation.
What are the DuraVent product lines?


DuraVent offers the following product lines:

DuraTech 5″-8″: All-fuel, double-wall chimney system. UL 103 HT and ULC S604.

DuraTech 10″-24″: All-fuel, double-wall chimney system. UL 103.

DuraTech Canada is a double-wall, all-fuel chimney system for use with wood stoves, wood fireplaces, and other appliances using wood, oil, gas, or coal.

DuraPlus: Triple-wall all-fuel chimney with two layers of insulation.

DuraPlus HTC: Double-wall all-fuel chimney built to Canadian standards.

DuraChimney II: Double-wall air-cooled chimney for pre-fabricated masonry chimneys.

Combustion Air Systems: DuraVent’s exclusive, patent-pending system is designed to bring in outside combustion air directly to your wood or pellet stoves.

DuraBlack: Single-wall stovepipe.

DVL: Double-wall stovepipe.

DuraLiner: Double-wall factory insulated masonry relining system.

DuraFlex: Flexible stainless steel liners.

DuraFlex Aluminum: Flexible aluminum relining for masonry chimney. UL 1777 and ULC S635.

Ventinox: Flexible stainless steel liner.

CVS: Provides Ortal Branded Fireplace Systems and as a Direct Vent for Pellet Stoves.

PelletVent: Multi-fuel vent.

PelletVent Pro: Vents appliances using oil, wood pellets, corn, and other biofuels.

DirectVent Pro: Unitized, co-axial venting system for direct vent gas or propane stoves, heaters, and fireplaces.

Type B Gas Vent: Vents natural gas, liquid propane category I, and draft-hood equipped appliances

FasNSeal: Single, double-wall, flex, and concentric venting for category II, III, and IV appliances.

FasNSeal 80/90: Combined Category I and IV venting for Gas-Burning Appliances.

PolyPro: Single-wall, flex, and concentric venting made of polypropylene for category II and IV condensing appliances that operate up to 248 degrees.

PolyPro Flex: PolyPro double-wall flex lining system. Environmentally safe venting system for high-efficiency appliances, including water heaters, condensing boilers, and warm air furnaces. ULC S636.

DuraSeal: Single-Wall and Double-Wall Special Gas Vent Boiler Adapters.

DuraStack: A modular double-wall, positive pressure chimney for use with boiler breeching and stack, engine exhaust, and grease duct (DIS only)

DuraStack Pro: Models DIS and DAS. Modular Double-Wall Positive Pressure Chimney for Boiler Breeching, Stack, and Engine Exhaust.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 28298776816

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✨Laura’s Book Glow✨
Birmingham, US
★★★★★ 3
Awesome story but…
Format: Kindle
The first half of the book needs a lot of editing. Normally I wouldn’t mind but there were a lot of mistakes. If you take that out of the equation, it’s a solid 4. But this as it is for me is a 3.5 The story is somewhat unique and it brought emotions in the second part.
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Reviewed in the United States on April 5, 2025
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Jen Lee
Chelsea, US
★★★★★ 5
Dark Romance - Small Town - Suspense - Enemies to Lovers
Format: Kindle
I'm soo glad I read this book. Maddox plays the big tough man with a hard exterior wall. Meanwhile, Evie, who was always stronger than she thought, broke down all his walls. Like true enemies to lovers, Maddox and Evie got under each other's skin to the point they collided and explosions went off...literally. The banter in this book, yeah, chef's kiss. This book has offers a lot. Each character has their own flair to them. Each one showed a level of growth and depth. Sometimes when I read certain books, it feels like I'm just getting the shell of what could have been. Not this one. Tuesday brought the fire. Every human emotion possible I felt while reading this book. I screamed, laughed, cussed, rolled my eyes, and sobbed. Seriously, for all those who love dark romance books with a plot and an excellent characters, this one's for you. Oh - the SPICE be SPICING.
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Reviewed in the United States on November 7, 2025
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The.PNW.Dark.Reader
Lexington, US
★★★★★ 4
Cute small town and found family.
Format: Kindle
Evie and Maddox’s story was so sweet. Obviously there were many parts that I wouldn’t call sweet, but overall it was a cute love story. I thought the author did a great job with the Grumpy X Sunshine trope. Cause Maddox is def a big ol grumpy. The found family trope is so strong in this book and I think that might be my fav part! Were there a few parts that Maddox made me realllllll upset? Ohh yes absolutely. In reality tho, that almost made him more believable. In no way am I giving an excuse for how he used her trauma against her. Cause that was absolute trash. But I did enjoy him spending the rest of the book attempting to make up for it. He could’ve groveled more tho lol. I absolutely loved the twins relationship with each character in this book. I think they were so important to the story and added that extra bit. How they protected their mama so fiercely was everything. It felt like some of these scenes were just thrown together. Meaning, some details were just dropped in but no other context with it. Like tidbits of info that didn’t really go with any part. Other scenes were clearly thought out with so much detail. The storyline was really interesting. I enjoyed that the FMC/MMC were able to show their trauma and grow and heal from it. I loved how the author showed the MC’s were able to live outside of their trauma and be who they are, not who the trauma made them. I think this was a very good debut novel depicting just how common the cycle of abuse can be, but even more so how you can break out of it. Not all homes are filled with love and understanding, but Evie was bound and determined to have that in her home.
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Reviewed in the United States on April 1, 2025
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Shannon D
Port Orchard, US
★★★★★ 5
Please do yourself a favor and read it!
Format: Kindle
So I saw this book on Instagram from someone I follow and was immediately intrigued. And let me tell you I am so glad I picked this up. I literally could not put it down and read it in a day. I am absolutely in love with evie and Maddox. I mean seriously Maddox 😭 I love him so much and that poor brute has been through so much but is just the most lovable thing. And Evie ugh that woman has been through it but is so strong. Every side character in this book is just as amazing too. The twins, Vic, Lou, and don't even get me started on the other Wilder boys😍 this book had everything, it's emotional, heartbreaking, thrilling and just an all around amazing love story. This will be a book I definitely re-read and I don't do that often. Also need to buy a physical copy like ASAP. But what I really need is Mercy's story like, yesterday. He is absolutely my favorite side character in this book and I will be so sad if he doesn't get his own story!
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Reviewed in the United States on April 11, 2025
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Alisha Cook
Lowell, US
★★★★★ 4
Grumpy Sunshine, Small Town Romance
Format: Kindle
ARC Review 3.75 ⭐️, rounded up to 4 ⭐️’s. I really enjoyed the book and think the author did a good job of drawing her readers into this couple’s world. The characters were complex, but well developed. Even the side characters were amazing. The setting of the story was well thought out and came to life on the pages. There were definitely some plot twists that I didn’t see coming, and some that were anticipated, but with the way they were timed I was still shocked when it happened. And while this wasn’t the spiciest book I’ve ever read, the spice was definitely there. When it hit, it hit hard! Overall, I really enjoyed Evie and Maddox’s story. There were some things that seemed repetitive and that could’ve flowed better for me, and there were errors that a good editor should have caught. I definitely look forward to more books from this author though and am thankful for the opportunity to ARC read this book. This is a book you definitely want to check the trigger warnings before starting. It is packed with trauma and subjects that could be difficult for some readers. Tropes in this book include: Grumpy/Sunshine Small Town Romance Curvy Single Mom FMC Broody Hermit MMC He Falls First Touch Her & ☠️ Previous DV and offscreen SA PTSD rep
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Reviewed in the United States on March 31, 2025

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