Overview
The genuine Napoleon Compressed Aluminum Flexible Gas Liner Kit runs a Napoleon gas fireplace insert's venting up an existing masonry chimney. Each kit comes with the flexible aluminum liner pre-cut to length plus the parts to finish it at the top. Buy it from StoveSource and pay no sales tax in any state.
What's in the kit
- Compressed aluminum flexible liner, 3" or 4" diameter, in the length you choose
- Deluxe rain cap
- Chimney flashing
- Termination plate
Sizes and part numbers
| Diameter | Length | Part number |
|---|---|---|
| 3" | 20 ft | GAKIT320 |
| 3" | 25 ft | GAKIT325 |
| 3" | 30 ft | GAKIT330 |
| 3" | 35 ft | GAKIT335 |
| 4" | 20 ft | GAKIT420 |
| 4" | 25 ft | GAKIT425 |
| 4" | 30 ft | GAKIT430 |
| 4" | 35 ft | GAKIT435 |
Gas only. Aluminum liner is for gas appliances. Never use it for wood, pellet, coal or oil. For those, use a stainless steel chimney liner kit.
Check your insert manual first. Confirm the GAKIT part number, diameter and maximum vent length listed for your Napoleon insert before ordering. Gas venting must be installed by a qualified technician.
Specifications
- Brand: Napoleon
- Material: compressed aluminum, flexible
- Diameters: 3" and 4"
- Lengths: 20, 25, 30 and 35 ft
- Fuel: natural gas or propane
Need 5", 5.5", 6" or 8" aluminum liner for a gas furnace or water heater? See the Selkirk Flexi-Liner aluminum gas chimney liner.
Why buy from StoveSource: Authorized dealer · No Sales Tax · Free shipping over $250 · 1-888-914-0022
Shipping & Returns
Free shipping on orders over $250 · ships in 1–3 business days.
Free shipping on orders over $250 to the continental US; a flat $22.95 shipping fee applies to orders under $250. Accessories and parts ship by parcel carrier (UPS, FedEx, or USPS), typically in 1–3 business days.
Returns. Unused, uninstalled items in original packaging can be returned within 30 days, subject to a 15% restocking fee.
Sold by StoveSource (authorized dealer). Ships directly from the brand's authorized distributor warehouse — see our Authorized Dealer page.
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