Modern Flames 26" Redstone Built-in Electric Insert Fireplace (RS-2621)

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Modern FlamesSKU: RS-2621
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Sale price$869.99 Regular price$1,299.99
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Modern Flames 26" Redstone Built-in Electric Insert Fireplace (RS-2621) Overview

The Redstone feature our new Hybrid-FXTM flame technology maximizing the flame height in an enlarged vertical viewing area. Easily installs in a rough frame wall or a finished opening.

Some of the eye-catching features include high intensity RGB independently controlled up lighting, down lighting & flame color. Other standard features include 10 different unique colors to choose from, variable and thermostatically controlled heat, variable motor controls, timer, push button and remote controls. This conventional design can slide into an existing Zero Clearance wood burning fireplace or will need 10” to 12” of depth in a wall for the built-in/slide-in flush mount look. The Redstone plugs into a standard outlet and includes a 5000 BTU heater. Acrylic crystal media and driftwood logs are both standard media.


  • Built-In Finish
  • Single-Sided
  • Simple Installation

Insert Mount Conventional Electric Fireplace

Convert your worn wood burning fireplace into a lively, stunning statement piece the simple way with this easily insert installed electric fireplace.

Update your old fireplace with this premium electric fireplace insert. With efficient heat and beautiful, life-like flames, designed as an alternative to a wood-burning fireplace and provides a beautiful and affordable substitute. The insert can provide supplemental zone heating up to 500 square feet and can be used with or without heat for year-round enjoyment. These inserts don’t require building a fire, and are even easier to start and maintain. Insert surround kits are available in 4”, 5”, 6” & 8” pieces to customize your existing fireplace with a Redstone model with a classic clean-look, Insert surround sets are for 26”, 30” & 36” models only. Designed to fit into most existing wood burning fireplaces.


  • Insert Finish
  • Single-Sided
  • Simple Installation
  • Designed To Fit Into Most Existing Wood Burning Fireplaces


Flame Display

  • Active Ember Bed Design
  • Variable Speed Flame Control
  • New Hybrid-FXTM Flame Technology
  • 10 Different Flame & Ember Bed Colors
  • High Intensity Multi-Color Flame & Ember Bed
  • Independently Controlled Flame & Ember Bed
  • Orange Lit Log Set


  • Acrylic Crystal Ember Bed
  • LED Lighted Driftwood Log Set
  • Glowing log sets vary in size, 3, 5 or 7 logs, depending on fireplace unit size


  • 5,000 BTU Heater
  • Variable Heat with Thermostat


  • Built-In Touch Controls
  • Multiple Trim Kits for Custom Sizing
  • Handheld Remote


Standard Features

  • Hybrid-FXTM Flame Technology
  • Premium Glowing Log Set
  • 10 Unique Flame Colors with Down Lighting and Ember Bed Lighting
  • Acrylic Crystal Ember Bed
  • Low Energy LED Flame Technology
  • Touch Button Controls
  • New Sleek Remote
  • Can be Installed Beneath a TV
  • Variable Heat with Thermostat
  • Variable Flame Controls
  • 120 Volt Plug
  • Do it Yourself Installation Instructions
  • Finish Trim Kit Included Additional optional Extra Wide Trim Kits also available.


Fireplace Dimensions

22 3/4" W x 18 1/2" H  x 9 7/8" D

Viewing Area

22 3/4" W x 15 3/8" H

Fireplace w/ 1 5/8" Trim

26" W x 20 7/8" H x 9 7/8" D




Built-In / Insert



Media Bed

Crystals / Logs

Heating Area

Heats 400 sq. ft. with 5000 BTUs


Dedicated 15 Amps (or higher) breaker required


Hard Wire or Plug into 120 V Outlet

Bulb Type


Sleep Timer

30 mins. to 8 hours

Two Heat Settings

1465 W on High / 750 W on Low setting


2 Years

What's Included

Electric Fireplace, Remote Control, Glass Media, Log Set, Trim Kit, and User's Manual 


About Modern Flames

Modern Flames is known as an innovative leader in contemporary electric fireplace design and technology for residential and commercial environments. Pioneering the introduction of the modern linear electric fireplace throughout North America in 2008, the style has since set the standard for architects, designers, builders, and homeowners due to the ultra-realistic flame appearance paired with the ease of installation and affordability.

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