
Product Information
The Narvi Flue 15 (Kota Steel Flue) is a modular, CE-certified chimney flue designed for safe and
flexible installation with sauna stoves and fireplaces.
Its black stainless steel construction, heat-resistant finish, and adaptable design make it ideal for
custom setups. Compatible with standard smoke outputs (119–122 mm), it ensures fire-safe operation in
any sauna layout.



Product Features
Crafted for performance and safety, the Narvi Flue 15 features a modular, heat-resistant construction. It ensures proper insulation at ceiling feedthroughs and integrates seamlessly with compatible sauna stoves.

Narvi Flue 15
Fire-Safe Construction:
Designed with fire safety as a priority, especially around ceiling feedthroughs and high-heat zones.
Flexible Modular Design:
Modular build supports various sauna and fireplace setups and adapts to different construction
environments.
Wide Stove Compatibility:
Fits all sauna stoves with smoke output diameters of 119mm (4.6") to 122mm (4.8").
Premium Materials:
Outer casing made from zinc-coated steel with a durable, black heat-resistant painted surface.
Removable Start Pipe:
The 100mm uninsulated stainless steel pipe can be detached for easy stove and flue maintenance.
Engineered in Finland:
Built to meet Finland’s high standards for sauna and fireplace safety and efficiency.
Additional Features
This flue system ensures safe, customizable chimney setups with CE-certified construction and compatibility with most sauna stove outputs.

Modular Flue System
Allows adaptable, site-specific installation in any sauna or fireplace setting.

CE Certified Safety
Tested and certified for fire protection and insulation standards in European saunas.

Heat-Resistant Finish
Black painted exterior withstands continuous high heat without degrading.

Removable Start Pipe
Facilitates stove and chimney maintenance without requiring full disassembly.
About Narvi
For more than eighty years, Narvi has been dedicated to creating authentic Finnish sauna heaters, trusted by everyone from world leaders to city apartment dwellers.
As the only large-scale manufacturer with fully Finnish production and R&D, we prioritize perfect “löyly” and clean burning.
Our passionate team ensures every sauna enjoys efficient, lasting warmth with uncompromising quality and tradition.

Why Choose Us?
Choose Peak Primal Wellness for a personalized, community-driven approach to health. We prioritize your well-being with high-quality products, tailored solutions, and 24/7 support.
As a family-owned business, we build lasting relationships, offering authentic, effective solutions to help you achieve your wellness goals.
Join our thriving community and embark on a journey toward optimal health with passionate professionals who genuinely care. At Peak Primal Wellness, you're not just a customer—you're family.

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Specifications
Brand | Narvi |
Model | FLUE 15 |
SKU | 6090 |
Material | Stainless Steel |
Finish | Black Heat-Resistant Paint |
Flue Diameter | 10" (25.5 cm) |
Start Pipe Diameter | 4.7"–4.8" (12–12.2 cm) |
Compatible Stove Flue | 119 mm (4.6") |
Certification | CE Certified |
Warranty & Returns
Return Policy
To request a return or refund, customers can use our contact form, email (info@peakprimalwellness.com) , or phone - (877) 689-4898. Once the product is inspected and confirmed to be in brand new condition, we will initiate the refund, which typically takes 5-7 business days to post back to the original payment method. Refunds can be applied via the customer’s preferred method, including card or bank transfer. Shipping instructions and the return address will be provided upon contacting customer service. Please include photos if the product arrives damaged. Click here to view our complete return policy for more details.
Shipping Policy
Customers may contact us by phone or email anytime to inquire about the status of their order. While we may not always have a tracking link available before the order ships, we are happy to check its current status for you. If an item is never received, please contact us immediately. We will promptly file a claim on your behalf and ship a replacement to ensure you receive your product as soon as possible. Click here to view our complete Shipping policy for more details.
Frequently Asked Questions
What is the Narvi Flue 15 used for?

It’s a modular flue system designed to safely vent sauna stoves and fireplaces, ensuring insulation and proper chimney function.
Is this flue compatible with all sauna stoves?

It fits sauna stoves with flue output diameters between 119mm and 122mm, covering most standard sauna stove models.
Is the flue CE certified?

Yes, it carries CE certification, which means it meets European safety standards for chimney and flue installations.
What materials is it made from?

The start pipe is stainless steel, while the outer casing is zinc-coated steel with a black, heat-resistant finish.
Can I remove the flue pipe for maintenance?

Yes. The stainless steel start pipe is designed to be removable for easier stove and flue maintenance or replacement.
Is the paint on the flue heat-resistant?

Yes, the flue features a black, heat-resistant paint finish that protects it from high temperatures and corrosion.
Where is the Narvi Flue 15 made?

Like all Narvi products, the flue is designed and engineered in Finland to uphold rigorous safety and sauna performance standards.