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Sierra Flame Lyon 48" 4 Sided See-Through Natural Gas Fireplace

SKU LYON-48-NG
Original price $10,999.00 - Original price $10,999.00
Original price
$10,999.00
$10,999.00 - $10,999.00
Current price $10,999.00

Buy Online Or Call Now To Order!

βœ“ Free Shipping on most Sierra Flame products to the contiguous U.S.

βœ“ No Sales Tax (expect WY), saving you about 7-9%, depending on your state

βœ“ Fast Delivery- most orders arrive your doorstep in 4-10 business days

βœ“ Questions? - Call 651-964-1301 to talk to an expert!

Shipping Information

Processing Time:
Most orders process and ship within 1–3 business days after order confirmation. Processing times may vary by brand or if the item is made to order.

Estimated Delivery:
Once shipped, orders typically arrive within 3–7 business days.

Estimated total delivery time: 4–10 business days

Shipping Methods:

  • Free Curbside Delivery on all orders
  • Optional Threshold and White Glove Delivery upon request. Please reach out to us by email or phone for inquiries.

Shipping Area:
We ship within the contiguous United States. Limited exceptions may apply where checkout permits.

Important Notes:

  • Delivery timelines are estimates and not guaranteed
  • Shipping times may vary by brand, availability, or carrier
  • Exclusions and additional conditions may apply
  • View our full Shipping Policy here.
Returns and Refunds

Order Cancellations:
Orders may be cancelled free of charge before shipment, except for custom or made-to-order products, which cannot be cancelled once production begins.

Custom & Made-to-Order Items:
All sales are final for custom or made-to-order products.

Returns & Exchanges:

  • Not all products are eligible for return after shipment
  • Return eligibility depends on the manufacturer’s policy
  • Customers have up to 30 days from delivery to request a return (brand rules may override)
  • Any return shipping fees and restocking fees (typically ~20%) are the customer’s responsibility

Damaged Items:
Inspect deliveries upon arrival. Any visible damage must be reported within 24 hours with photos to qualify for a freight claim.

Refunds:
Approved refunds are processed within 10 business days after the returned item is received and inspected.

Important Notes:

  • Shipping and delivery timelines are estimates only
  • Policies vary by brand and product
  • Additional exclusions and conditions apply

See Full Return and Refund Policy for complete details.

Price Match Policy
  • We Match Legitimate Lower Prices β€” If you find the exact same product listed for less by an authorized retailer, we’ll honor that price.
  • Simple Request Process β€” Submit your price match request directly using our online form.
  • Eligibility Requirements β€” The item must be identical in model and finish, brand new (not refurbished, clearance, or open-box), currently in stock, and sold by an authorized dealer. The competitor’s final checkout price (including shipping and applicable taxes) must be lower.
Installation Support

Need help finding a local installer? We can help you find one.
Submit a request using our contact form.

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Product Description

The Sierra Flame Lyon 4-Sided See-Through Gas Fireplace redefines what a modern fireplace can be. Designed with a full 360Β° viewing experience, the Lyon allows you to connect multiple spaces effortlessly, creating visual flow and architectural impact from every angle. With no screens, no louvers, no gaps, and no heat dumps, it delivers a clean, uninterrupted flame presentation that feels truly contemporary.

Featuring advanced double-wall glass technology, the Lyon offers a clear, screen-free view while remaining safe to the touch. Its fully contained firebox design allows finishing directly with combustible materials such as drywall or woodβ€”no concrete board or metal studs required. Easy installation and simple maintenance make the Lyon an exceptional choice for modern homes seeking a bold, sculptural fire feature.

Features

  • Four-sided see-through gas fireplace with full 360Β° flame visibility

  • Available in a 48" size

  • Screen-free double-wall glass for unobstructed views and safe-touch operation

  • Seamless design with no gaps, louvers, or heat dumps

  • Finish directly with combustible materials such as drywall or wood

  • No concrete board required

  • All-wood framing compatible

  • Fully contained firebox technology

  • Easy-clean glass system with no technician required

  • Creates visual connection between multiple rooms

  • Contemporary architectural centerpiece

  • Clear View double-wall glass eliminates the need for safety screens

  • Warm Glass System keeps exterior glass temperature below safety thresholds

  • Easy-access glass removal for simple cleaning and maintenance

Heating Performance

  • Maximum heat output: up to 32,500 BTU

  • Minimum heat output: approximately 21,000 BTU

What’s Included

  • Leon 48" 4 Sided See-Through Gas fireplace unit

  • Optional Accessories: Termination Kit (5" & 8" venting), Duravent Through-the-Roof Kit (standard/steep roof)

Specifications & Downloads

  • Model: Lyon 48

  • Style: Peninsula Β· 4-Sided See-Through (360Β° View)

  • Fuel Type: Natural Gas

  • Venting Type: Direct Vent

  • Venting Size: 5" Γ— 8"

  • BTU (High / Low): 32,500 / 21,000

  • Overall Dimensions (H Γ— W Γ— D): 38.52" Γ— 51.24" Γ— 23.5"

  • Front Viewing Area (H Γ— W): 15.34" Γ— 45.16"

  • Side Viewing Area (H Γ— W): 15.34" Γ— 13.40"

  • Product Weight: 345 lbs

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