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DuraVent Model BV – Storm Collar
- Used to provide a weather proof seal to pipe above roof line.
- Used above the Flashing.
- Seal inner edge with hi-temp silicone sealant. NOTE: See instructions for use/limitations
Overview Model BV
Our non-positional lock system on the DuraventĀ® BV Gas Vent is the best lock system on the market today. The incorporation of the DuraTabĀ® feature simply improves our lock system by adding flexibility and meeting market needs.
The BV line of Duravent round vent pipe and fittings is designed for use on approved gas appliances in residential and light commercial and industrial applications.
Details
SKU: 3BVSC | 4BVSC | 5BVSC | 6BVSC | 7BVSC | 8BVSC
Applications
Duraventās Type B Gas Vent system. Use with natural gas or liquid propane Category I and draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent. Applications include: natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications.
Materials and Construction
Round Type B Gas Vent 3ā³ ā 8ā³ and Oval 4ā³ ā 6ā³: Aluminum .012ā³ inner wall, galvanized .018ā³ outer wall, in Canada, the lengths have a galvalume .018ā³ outer wall. The 3ā³ ā 8ā³ Round gas vent features DuraLockĀ®Ā and DuraTabĀ®Ā . The Oval gas vent features the button lock.
Round Type B Gas Vent 10ā³ ā 18ā³: Aluminum .014ā³ inner wall, galvanized .018ā³ outer wall. DuraLockĀ®Ā feature for 10ā³ and larger diameters.
Round Type B Gas Vent 20ā³ ā 30ā³: aluminum .023ā³ inner wall, galvanized .018ā³ outer wall. DuraLockĀ®Ā feature for 10ā³ and larger diameters.
Clearances
Clearances to combustible materials in single and multi-family dwellings:
- 1ā³ Clearance ā USA ā 3ā³ to 30ā³
- 1ā³ Clearance ā Canada ā 3ā³ to 24ā³
- 2ā³ Clearance ā Canada ā 26ā³ to 30ā³
Annular insulating air space
- 3ā³ ā 8ā³ Round Vent: 1/4ā³ air space
- 4ā³ ā 6ā³ Oval Vent: 1/4ā³ air space
- 10ā³ ā 30ā³ Round Vent: 1/2ā³ air space
Diameters
- 3ā³- 6ā³
Listings
UL Listed to UL 441 and CAN/ULC-S605 (MH2848 and MH17667).
Instructions
- Model BV Type B Gas Vent Installation Instructions ā Round and Oval ā English
- Model BV Type B Gas Vent Installation Instructions ā Round and Oval ā French
- Universal Vent Cap Installation Instructions – English
- Universal Vent Cap Installation Instructions – French
Typical Installation
Small Diameter ā Vertical Installations
| Item | Clearance - See Note 1 | Max Height | Outer Tube Ć | Materials | Locking Device | UL Listing |
|---|---|---|---|---|---|---|
| Type B Vent Round 3ā³-8ā³ (USA) | 1 inch | 100 feet | 1/2ā³ larger than ID | Inner ā .012ā³ Aluminum Outer ā .018ā³ Galvanized | DuraLock & DuraTab | MH2848 |
| Type B Vent Round 3ā³-8ā³ (CAN) | 1 inch | 100 feet | 1/2ā³ larger than ID | Inner ā .012ā³ Aluminum Outer ā .018ā³ Galvalume* | DuraLock & DuraTab | MH2848 |
| Round 10" to 18" - See note 2 | 1 inch | 100 feet | 1ā³ larger than ID | Inner ā .014ā³ Aluminum Outer ā .018ā³ Galvanized | DuraLock | MH2848 |
| Round 20ā³ to 30ā³ (USA) See note 2 | 1 inch | 100 feet | 1ā³ larger than ID | Inner ā .023ā³ Aluminum Outer ā .018ā³ Galvanized | DuraLock | MH2848 |
| Round 20ā³ to 24ā³ (CAN) See note 2 | 1 inch | 100 feet | 1ā³ larger than ID | Inner ā .023ā³ Aluminum Outer ā .018ā³ Galvanized | DuraLock | MH2848 |
| Round 26ā³ to 30ā³ (CAN) See note 2 | 2 inch | 100 feet | 1ā³ larger than ID | Inner ā .023ā³ Aluminum Outer ā .018ā³ Galvanized | DuraLock | MH2848 |
| Oval Type B Gas Vent 4ā³ and 5ā³ | 1 inch - See Note 5 | See Note 3 | 4": 2 1/2ā³ x 7 1/4ā³ or 5": 3 1/8ā³ x 10 7/8ā³ | Inner ā .012ā³ Aluminum Outer ā .018ā³ Galvanized | DuraLock | MH2848 |
| Oval Type B Vent 6ā³ | 1 inch - See Note 5 | See Note 3 | 3 1/4ā³ x 12ā³ | Inner ā .012ā³ Aluminum Outer ā .018ā³ Galvanized | DuraLock | MH2848 |
| DuraConnect I Flex 3ā³ and 4ā³ | 1 inch | See Note 4 | NA | .012ā³ Aluminum Flexible .018ā³ Galvalume Fittings | DuraLock & DuraTab | MH17667 |
| DuraConnect II Flex 3ā³ to 5ā³ | 1 inch | See Note 4 | 1/4ā³ larger than ID | .006ā³ 2 Ply Aluminum Flex .018ā³ Galvalume Fittings | DuraLock & DuraTab | MH17667 |
Ā
*In Canada, the outer tube material is galvalume for 3ā³ to 8ā³ pipe length. All other 3ā³ to 8ā³ fittings have a galvanized outer tube.
Notes:Ā Gas Vent Specification Chart
- Clearance to combustibles is the air space between vent and combustibles.
- For maximum height refer to the appliance manufacturer installation instructions and the National Fuel Gas Code NFPA 54 or the Canadian Fuel Gas Installation Code CSA-149.1-00. For taller applications refer to Duravent Sizing Handbook.
- When oval is used on wall furnaces, minimum height required from bottom of furnace to cap is 12ā², minimum 16ā³ stud space.
- Limited by sizing tables.
- BVO 4ā³ & 5ā³ oval can be installed in a 2ā³ x 4ā³or a 2ā³ x 6ā³ stud wall. BVO 6ā³ oval can be installed in a 2ā³ x 6ā³ stud wall.
Product Resources
Catalogs
Bulletins
- Adapting Model GV Lengths to Model BV & BV to GV Bulletin
- Connecting Model GV Rain Caps to Model BV Pipe Bulletin
- Universal Vent Cap Product Bulletin
Sales Sheets
- DuraConnect I Expandable Flex Connector ā English Sales Sheet
- DuraConnect I Expandable Flex Connector ā French Sales Sheet
- DuraConnect II Double Wall Flex Connector ā English Sales Sheet
- DuraConnect II Double Wall Flex Connector ā French Sales Sheet
- Locking Clip Vent Caps – French
- Locking Clip Vent Caps Sales Sheet
- Model BV Unit Heater Kits Sales Sheet ā English
- Model BV Unit Heater Kits Sales Sheet ā French
- Redesigned Faster Connection Method
- Universal Vent Cap Sales Sheet
Spec Sheets
Videos
Model BV Installation Video ā English
https://youtu.be/4BZdKJimAG0?si=AGyqfm812eqg_0Mj
Universal Vent Cap
https://youtu.be/oRiAnyoFY50?si=IL3qoQb622fYxvHY
Duravent DuraCap
Shipping / Freight / Return Info
Ā
Same-Day / 24 hour shipping
Same-Day/24 hour shipping - If we have the product in stock, we can ship
same day if ordered before 12pm Monday - Friday (CST).
Freight Claims Policy
Please follow these very important steps when it comes to Freight Items that are damaged or missing
- Open and inspect the order while the delivery driver is present. If delivery driver does not provide sufficient time to do so, please notate the delivery receipt.
- By signing the delivery receipt without noting any damage or missing items, you confirm that your order arrived complete and in excellent condition.
- Record any damage or missing pieces directly on the delivery receipt.
- Do not discard damaged item(s) or any original packaging. For severe damage, write āRefused due to damageā on the delivery receipt and contact us immediately.
- Report any damage within two business days, including delivery details and photos showing the issue
- Damaged item(s) must be returned within 30 days. Failure to return them will result in a charge to the original payment method.
Return Merchandise Authorization Policy
Please follow these very important steps when Returning Items. Contact our team.
- Submit your return request within 30 days of delivery.
- You will receive an email within 1-2 business days confirming whether your return request has been approved or denied.
- Please also note that a 20% restocking fee may apply to approved returns
- If approved, you will receive an itemized Return Authorization, return shipping labels (if requested), and detailed instructions within 1ā2 business days
- From the date this email is received, you will have 14 days to return the product.
- Once our distributor receives and inspects the returned item(s), your refund will be issued within 1ā2 weeks
- Items returned outside of this process or time frame are not eligible for a refund.
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