• Description

Sierra Flame by Amantii – DuraVent Steep Through-the-Roof Kit (5") for Vienna, Toscana & Lyon Fireplaces

Ensure safe, reliable, and efficient venting for your gas fireplace installation with the Sierra Flame by Amantii DuraVent Steep Through-the-Roof Kit. Designed specifically for the Vienna, Toscana, and Lyon series fireplaces, this premium 5-piece kit provides everything you need for a secure vertical venting setup on steep roof applications.

Built with high-quality DuraVent components, the kit features a 5-inch inner diameter and 8-inch outer diameter, ensuring optimal airflow and long-term durability. The included 36" rigid pipe, storm collar, high wind cap, and DuraVent flashing/adapter are engineered to handle harsh weather conditions and maintain peak performance.

This complete steep-roof venting solution simplifies installation while meeting safety and venting requirements, giving you confidence that your fireplace will operate efficiently and safely in any climate.

Key Features:

  • Complete 5-piece steep roof venting kit

  • Compatible with Sierra Flame by Amantii Vienna, Toscana, and Lyon fireplaces

  • 5" inner diameter / 8" outer diameter for proper venting performance

  • Includes: 36" rigid vent pipe, storm collar, high wind cap, and DuraVent flashing/adapter

  • Engineered for steep roof installations

  • High-quality DuraVent construction for maximum durability and safety

Venting Requirement:
This unit requires venting pipe with a 5-inch inner diameter. Refer to the Venting Components section on this page for compatible venting pipes.

Frequently Asked Questions

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Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.
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Feedback From Our Customers

At Green Vista Living, we pride ourselves on delivering top-quality products and exceptional service to solar professionals and homeowners alike. Here's what our customers have to say about their experiences with us.

Kevin Leary
May 18, 2025
★★★★★

Incredible Tech Support from Anees of Green Vista Living. Exceptional service and went above and beyond on every question.

Bryan Cunningham
Off grid Kit • Dec 21, 2025
★★★★★

Shipment was slow due to high demand, but the team kept me informed and ensured everything arrived properly.

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