Sierra Flame LYON-48-NG Four-Sided See-Through Natural Gas Fireplace
Free shipping to the 48 states + DC
We confirm your ship date by email before your order leaves
- Installation
- Built-in / recessed
- Width
- 48–59 in
- View
- See-through
- Fuel
- Natural gas
- Warranty
- 5 Year Limited (1 year on electrical & wear parts)
- 30-day returns
- 5-year limited warranty
- Secure checkout
Not sure it fits? Ask a fireplace specialist(307) 323-3338 · info@livefireco.com
Mon–Fri, 9am–5pm ET
LYON-48-NG Full 360° View and Double Glass
Sierra Flame LYON-48-NG is a nominal 48-inch natural gas fireplace with a four-sided, see-through design. Double glass provides a screen-free, full 360° view of the fire. Heat ratings are 32,500 BTU on high and 21,000 BTU on low.
LYON-48-NG Airflow and Framing Options
Variable fans circulate warmed room air through the channel between the glass layers. The fireplace supports all-wood framing without concrete board and allows combustible finishes around it.
- Four-sided, see-through natural gas fireplace.
- Full 360° fire view through double glass, without a screen.
- 32,500 BTU on high and 21,000 BTU on low.
- Variable fans move warmed air through the glass channel.
- All-wood framing supported; no concrete board required.
- Combustible finishes permitted around the fireplace.
LYON-48-NG Overall Dimensions
Sierra Flame LYON-48-NG measures 49.39 inches wide, 34.61 inches high and 22.79 inches deep overall. It weighs 345 lb. The 48-inch designation is nominal; the actual overall width is 49.39 inches. These product dimensions do not define a framing opening or required clearances.
Sierra Flame LYON-48-NG Four-Sided See-Through Natural Gas Fireplace specifications
| Brand | Sierra Flame |
| Model | LYON-48-NG |
| Product Type | Gas Fireplace |
| Height | 34.61 in |
| Width | 49.39 in |
| Depth | 22.79 in |
| Weight | 345 lb |
| Country of Manufacture | Canada |
| Manufacturer Warranty | 5 Year Limited (1 year on electrical & wear parts) |
Manuals & documents
Shipping & delivery
Free standard shipping on orders $300 and up to the 48 contiguous states and DC. Orders under $300 ship for a flat $29.99. We do not ship to Alaska, Hawaii, US territories or outside the US.
We confirm the ship date by email before your order leaves, and tracking is emailed when it ships. Larger fireplaces travel by freight carrier and may need a delivery appointment. If your model is not in stock, we contact you with the lead time before charging your card. Inspect the delivery before you sign and note any visible damage on the carrier receipt.
Returns & warranty
30-day returns on new, unopened and unused items in the original packaging. Change-of-mind returns carry a 25% restocking fee and return shipping. Items damaged in transit or defective on arrival are replaced, repaired or refunded at no cost to you: send photos within 48 hours of delivery.
Every fireplace is covered by its manufacturer warranty; the term for this model is listed under Specifications. Full return policy · Shipping policy
Sierra Flame LYON-48-NG Four-Sided See-Through Natural Gas Fireplace: questions
What fuel does LYON-48-NG use?
LYON-48-NG uses natural gas.
What are the high and low heat ratings?
The ratings are 32,500 BTU on high and 21,000 BTU on low.
How many sides provide a view of the fire?
The four-sided, see-through design provides a full 360° view.
Does the fireplace have a screen?
No. It has a double-glass, screen-free viewing area.
What are the overall dimensions and weight?
The fireplace measures 49.39 inches wide, 34.61 inches high and 22.79 inches deep overall. It weighs 345 lb.
Does it support wood framing and combustible finishes?
Yes. The fireplace supports all-wood framing without concrete board and allows combustible finishes around it.
Sierra Flame accessories
Media, trim and mounting options. Check each accessory's page for compatible models, or ask a specialist.
