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": AL29-4C or 316L.016"
8"–12": AL29-4C or 316L.019"
14"–16": AL29-4C or 316L.024"
Diameters
3" - 16".
Listings
ETL Listed to UL 1738 and ULC S636.
Refer to our Typical Venting Installation drawings to select the appropriate component parts for your installation.
![FasNSeal Typical Installations](/uploads/images/FasNSeal_web.jpg)
More Typical Installations:
![FasNSeal Typical Installations](/uploads/images/FasNSeal_installation.jpg)
Installation Key |
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.
Catalogs:
Installation Instructions:
Sales Sheet:
Spec Sheet:
Bulletin:
- DuraVent Answers Frequently Asked Questions About FasNSeal (
PDF, 122KB ) - FasNSeal W2 Appliance Adapters (
PDF, 727KB ) - FasNSeal Flex Couplers (
PDF, 137KB ) - W2 Test Port (
PDF, 121KB ) - FasNSeal Rain Cap (
PDF, 344KB ) - FasNSeal Appliance Adapters for Aerco Modulex EXT Boilers (
PDF, 188KB ) - FasNSeal Flex Product Bulletin (
PDF, 344KB ) - FasNSeal Fixed Blade Damper Listed and Approved (
PDF, 379KB ) - FasNSeal Single and Double Wall Increasing Wye (
PDF, 379KB ) - Revised FasNSeal Test Ports (
PDF, 301KB ) - FasNSeal Single and Double Wall Wye (
PDF, 282KB ) - Revised 1" IPS Threaded Fitting for Horizontal Drain Fittings and Universal Condensate Drains (
PDF, 514KB ) - FasNSeal Discontinued Part (
PDF, 149KB )