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Dimplex Revillusion™ 42" - Built-in Electric Firebox

26 reviews
Save $512.50
Original Price $2,562.49
Current Price $2,049.99

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Traditional Looking Electric Fireplace for Large Fireplace Openings

Dimplex Authorized DealerRevillusion™ RBF42 is a completely new way of looking at fireplaces, and changing the standard for electric. A clear view through the lifelike flames, to the full brick or weathered concrete interior, captures the charm of a traditional or modern industrial wood-burning fireplace.

Enjoy the look of a fireplace cut straight from the pages of a magazine by choosing Revillusion™; clearly a better fireplace.

This fireplace is also available in other sizes: Dimplex Revillusion Collection

Showcase your Revillusion built-in firebox with optional accessories:

Finish the Look of Your Fireplace with a Mantel:

Click here to see all Fireplace Mantels

    Dimplex Revillusion Videos


    • Flames are larger, brighter and more random, appearing from within the logs
    • Partially frosted acrylic panel is clearly better than a mirror, showing only dazzling flames and no reflections
    • See clear through the flames to the back of a masonry fireplace for a more authentic experience
    • Customize the firebox glow with a choice of warm hues, plus midnight mode
    • Adjust the flame base color to red or blue
    • A full grate of life-size hardwood-cast logs, tiered for greater depth
    • Optional log sets are available to easily change the look of your fireplace
    • More authentic day or night; 270-degree herringbone brick or weathered concrete with natural soot markings
    • Adjust light level to suit the room and choose flicker effect for enhanced firelight
    • Automatically adjusts firebox light to suit the room day to night
    • Simply frame, wire and finish – no venting, gas lines or safety screens
    • Option to use 240 volt supply for up to 8,800 BTU - use as part of primary heating plan; heater also operates without flame and can be deactivated
    • Enjoy the unique charm of a fireplace 365 days a year using the flames without the heat
    • Designed to be direct-wired to a 120, 208 or 240 volt circuit for a seamless look (optional plug kit available)
    • The most sustainable fireplace option; no emissions and 100% efficient
    • Sleep Timer can be set to automatically shut off the fireplace
      after a preset time (from 30 minutes to 8 hours)
    • UL Listed
    • 120/208/240 Volts
    • 1300/1975/2575 Watts
    • 10.8/9.4/10.7 Amps
    • 4400/6745/8794 BTUs
    • Dimensions: 31" H x 43 1⁄4 W x 12 1⁄8" D
    • Weight: 88.6 lbs
    • 2-Year Manufacturer Warranty

    This fireplace is also available in other sizes: Dimplex Revillusion Collection



      Free and Fast Shipping! Read our full Shipping Policy here.

      We offer market-leading 30-Day Free Returns! Read more about our Returns Policy here.


      Dimplex warrants their products to be free from defects in material and workmanship for a period of 2 years from the date of the first purchase.

      Click here to download the entire Dimplex Warranty


      This Limited Warranty applies to your newly purchased Dimplex Electric Fireplace with Model Numbers XLF50, XLF60, XLF74, and XLF100.

      Click Here to View The Warranty

      Customer Reviews
      4.8 Based on 26 Reviews
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      United States United States
      I recommend this product

      We love our electric firebox.

      Modern Blaze has excellent customer service. Our electric firebox is exactly what we wanted and it makes our room feel so cozy. I received this product for free in exchange for my honest opinion.

      Modern Blaze Dimplex Revillusion™ 36 Portrait - Built-in Electric Firebox Review
      Shea D.
      United States United States
      I recommend this product

      Exceptional service, incredible product!

      We have been more than satisfied with our experience! I corresponded with Modern Blaze briefly regarding my order. Not only were they quick to respond but also extremely kind and helpful. We were kept informed of our order status via email and received the fireplace faster than expected and in perfect condition. We chose the 30" Dimplex Revillusion Firebox Insert and are seriously impressed at it's realistic features and multiple capabilities. We're very very happy we went with these guys! They're a good business with great products!

      Modern Blaze Dimplex Revillusion™ 36 Portrait - Built-in Electric Firebox ReviewModern Blaze Dimplex Revillusion™ 36 Portrait - Built-in Electric Firebox Review
      Scott B.
      United States United States
      I recommend this product

      Pleasantly surprised!

      I was highly doubtful on how this fireplace would appear once it was hooked up. I finished the opening for the insert with metal flashing, hooked it up, and slid it into place. The fire effect is amazing! The pattern it produces doesn't seem repetitive at all and looks extremely realistic. I hooked up to 120v with no intention on using the heater function, but it does produce a decent amount of heat. It probably really kicks out some heat with 220v! My only complaints are with the fan for the heater, the print on the backside and surrounds (I got the herringbone brick pattern), and the stock logs it comes with. The fan for the heater is very loud and that it blows in your face if you're sitting in front of the unit. I could enjoy a quiet and pleasant evening with a glass of wine enjoying the fireplace, because the heater wouldn't be on. It's not so quiet and pleasant if you turn on that heater. The super nice flame effect is overshadowed by a loud hairdryer blowing in your face. Please make the fan more silent and point it more downwards or something. The brick pattern on the sides of the unit is printed on and not very high resolution. The low resolution is even more apparent and magnified when you turn the back lighting on. Especially with the yellow/white light. It makes it looks green. However, it does look very good with that lighting option simply turned off. Luckily the pattern is printed on a removable magnetic strip, so it is possible to remove it and replace it with your own high-resolution pattern. Similar to the brick pattern, the stock logs look obviously fake in the light, but look amazing when the unit is on. Hopefully the upgraded log options look better when the unit is off. The glass doors may also help screen the 'fakeness', but they were sold out when I ordered the unit itself. Overall, I'd say I'm 95% satisfied with my purchase. When the unit is on, with the heater off, and the backlighting off its 100% perfect. It's a shame that the more bells and whistles you use, the less impressive the fireplace becomes.

      Larry O.
      United States United States
      I recommend this product


      I bought this as an alternative to putting in a gas or wood burning fireplace, and do not regret it. I have it connected to 120v, still puts out plenty of heat for the downstairs of our 2,400sqft house. The flames look amazing, by far the most realistic looking. We also opted for the Birch logs. The fan isn't too loud but it is noticeable, that's also kind of to be expected with any electric fireplace. Fireplace was shipped right away, and was ready to be delivered within a week.

      United States United States
      I recommend this product

      Impressed Overall

      I was gifted the Dimplex Revillusion 36" built-in electric firebox and found it easy to install once I designed and built the fireplace. The directions and dimensions given for the framing are easy to follow. This unit can be used with or without the heat feature so it is perfect all year round to create a cozy vibe in any space. When it is on, it is quiet, gives off a good amount of heat for our room, and the flame looks so realistic! I am impressed with the unit overall.

      Modern Blaze Dimplex Revillusion™ 36 Portrait - Built-in Electric Firebox Review
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