Superior Highridge Birch Vent-Free Gas Log Set (Nature-Flame burner)

The Nature-Flame series features a unique pan burner with random flames and a flickering ember bed to achieve the look of a real wood fire. All models include a wood-burning grate appearance and glowing ember bed. Pair 18" logs with a 18" burner. Pair 24" and 30" logs with a 24" burner. Electronic Ignition models include a remote control with built-in thermostat mode and adjustable variable flame control. THE NATURE-FLAME series features a unique pan burner with random flames and a flickering ember bed to achieve the look of a real wood fire. The result is a striking appearance with a distinctly unique flame pattern. The HIGHRIDGE BIRCH log set brings a refined, contemporary interpretation of natural birch to the fireplace with crisp detail and elegant simplicity. Crafted from high-definition refractory, each log faithfully recreates the smooth bark, subtle texture, and distinctive markings that make birch one of nature’s most recognizable hardwoods. All models are heater rated with 99% heat efficiency and include a wood-burning grate appearance.

Superior Custom Series

What’s included & how it’s priced

Every price shown is for a complete, installable package: the Highridge Birch log set in the size you choose and the matching Nature-Flame burner (fuel and control you choose). Standard-interior and optional-finish choices are priced live as you select them.

Features

• Available in 18″, 24″, and 30″ sizes
• Tall natural yellow flames and ember bed for wood fire realism
• Highly detailed logs with the wood grain texture and color of real wood logs
• Millivolt control model is remote ready for optional remote and wall controls
• Electronic control model includes EcoFlow Touchscreen remote (Manual & T-Stat modes, On-Off & 3 flame heights)
• Also listed for use in vented fireplace applications (requires damper clamp sold separately)

Required to complete the installation (not included)

• No venting required — vent-free appliances are not permitted in some jurisdictions; check your local code.
• Gas supply: a gas line run and connection by a licensed installer.
• Electrical: 120 V receptacle inside the fireplace cavity for electronic ignition, lights or a blower.

Optional accessories

Blowers, remotes, facades, surrounds, doors, media kits and other factory add-ons for this model are shown under “Optional accessories” on this page, each with its price — add any of them to your order in one click.

Specifications

Common questions

Natural gas or propane?
Choose the fuel at the top of the page; the unit ships configured for that gas from the factory. Conversion kits are listed under optional accessories if you ever switch.

Who installs it?
This unit is sold and shipped direct from the manufacturer; installation is by your own certified hearth installer, working from the manual below.

Manuals & documents

• Brochure: Vent-Free Gas Logs (PDF)
• Smart sheet: Nature Flame VF Gas Logs (PDF)
• Smart sheet: Superior VF Gas Logs Complete Line (PDF)
• Installation & operation manual: SUP NF18-24 MN-MP VF Gas Logs SIT-MV (PDF)
• Installation & operation manual: SUP NF18-24 EN-EP VF Gas Logs ECO (PDF)

Watch the Superior product video →

Not sure what fits your home? Call (540) 212-9374 (Mon–Fri 9–5 ET).