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DuraVent FSAIK03 3" Combustion Air Kit

Item #: BCI1760372
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Stainless Steel Tech Specs
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Product Details for the DuraVent FSAIK03

3" Combustion Air Kit

A quick-and-easy kit that delivers fresh combustion air for direct vent gas appliances.

FasNSeal is for use with natural gas or propane Category II, III, and IV appliances, or Canadian's Type BH Gas Vent Systems. FasNSeal has a maximum rated operating temperature of 480 DegreeF and a maximum positive pressure of 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
  • Tankless water heaters

Each year, Simpson Dura-Vent invests millions of dollars in machinery, tooling, manufacturing facilities, and world-class manufacturing technology in order to provide unequaled quality and service. All of Simpson Dura-Vent's products are exclusively American made. Manufacturing facilities are located in Vacaville, California; and Vicksburg, Mississippi. There are service warehouses in Fontana, California; Eagan, Minnesota; and Brampton, Ontario, Canada. Simpson Dura-Vent's skilled work force, combined with state-of-the-art machinery, is dedicated to providing consistent quality and service that exceeds industry standards.


  • Kit includes:
    • Hooded Side Wall In-take component
    • 10' Aluminum Flexible Liner
    • (2) Clamps
  • Use with FasNSeal components only.
  • Limited Lifetime Warranty. Must be installed by a qualified professional installer for warranty to apply.Qualified professional installer defined as one of the following:
    • Licensed contractors with prior chimney installation experience
    • CSIA Certified Chimney Sweeps
    • NFI Certified Specialists
    • WETT Certified Professionals
Our SKU: DuraVent FSAIK03

This product is listed under the following manufacturer number(s):

*Denotes a finish or option that has been discontinued

1 Question from the Community
Loading nanoRep

Can I use this for fresh air for a pellet stove and is it 3 inch hose?

The duct diameter is 3 inches but the product is designed for direct vent GAS appliances.

DuraVent FSAIK03 Technical Specs

Configuration Kit
Fuel Type Gas
Manufacturer Warranty Lifetime Limited
Material Stainless Steel
Pipe Class AL29-4C
Pipe Inside Diameter 3
Pipe Shape Round
UL Listed Yes
Vent Construction Single Wall
Vent Pipe Size 3

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