Onyx Fireplaces

Clean Face Design
Spacious Viewing Area-Onyx fireplaces offer up to 904 square inches of viewable area, so you can enjoy the warmth and glow of your fireplace from any angle.

Design Options
Create a custom look — Onyx fireplaces let you stretch your imagination with a wide variety of accessories. Develop your style with alternate firebrick choices or add optional andirons to create a traditional fireplace look.

Signature Command™ System
Fire control at your fingertips — This exclusive system gives you a full-featured command center for your fireplace. The optional remote offers even more flexibility.

Natural Flame burner system
Authentic fire viewing — The aluminized pan burner produces realistic, randomly dancing flames. Its large ember bed and glowing ceramic fiber logs add to the overall fire viewing experience.

Installation Options
Flexible installation — The Onyx fireplace comes in either Natural Gas or Propane. Its patented design allows you to set it up in either a top- or rear-venting configuration.

Up to 34,000 BTUs
Warmth and comfort — This fireplace delivers a range of BTUs from 22,000 to 34,000, so you’ll stay nice and warm while efficiently heating the room to help lower heating costs.

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You can download the specification sheet or the owners manual for specific models using the table below

small majestic logoOnyx Model Line-Up

Unique features by model number

Model Number MLDV500PSC MLDV500NSC
Heating Capacity Up to 1660 Up to 1550
Max BTU/H (Natural Gas) N/A 34,000
Max BTU/H (LP) 34,000 N/A
Cost to Operate $0.92 $0.36
Fuel Type Liquid Propane Natural Gas

Common features for this family

Size 42
Viewing Style Front
  • 41 (W)
  • 50-3/4 (H)
  • 22-1/4 (D)
Framing Dimensions
  • 42-1/2 (W)
  • 50-7/8 (H)
  • 22-1/4 (D)
Ignition System SCS
Termination Convertible
Certifications CSA Design
Fire Viewing Area 33″ x 27-5/16″
Spec Sheets
& Manuals
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