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Dimplex Opti-myst 500 - 20-Inch Water Vapor Fireplace Cassette (CDFI500-PRO)

10 reviews
Save $470.00
Original Price $2,349.99
Current Price $1,879.99

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Customize Your Dream Fireplace with the Illusion of Smokey Flames

Dimplex Authorized DealerPicture the perfect fireplace: any length, any location, and any number of sides. Forget about venting, gas lines, and hot glass, because they are a thing of the past. Now imagine flames made of water that you can reach out and touch.

The revolutionary Opti-Myst CDFI500-Pro by Dimplex reinvents the electric fireplace and makes it easier than ever to add a dramatic fire feature to any space. It features lifelike flames through an illusion of light and water molecules reflecting against each other. Combine these vapor cassettes together to make a see-through, three-sided, or open concept. Personalize it even more with any kind of fire media like logs, rocks, and crushed glass so long as it does not block the vapor coming out. This is ideal for commercial applications as the possibilities are endless!

You can add an optional heater if you prefer a fireplace with warmth. This can cozy up a space up to 400 sq ft with warm ambient heat. Enjoy 8 hours of continuous use when its water tank is full. Note that a plumbing kit is required for combining the cassettes.

Let your imagination run wild and build the fireplace from your dreams! Grab our free shipping offer by making your purchase today!

What's Included: Opti-myst® 500 Water Vapor Fireplace, Remote Control, Media Tray, and User's Manual

Optional Accessories: Decorative MediaPlug KitPlumbing Kit, and Heater

Dimplex Opti-Myst Videos:


  • Indoor Water Vapor Fireplace Cassette can be installed with zero constraints
  • Can be placed almost anywhere like divider walls or tabletops, making it great for contemporary spaces
  • Multiple 20" (50.8 cm) and 40" (101.8 cm) cassettes can be combined in series to achieve the desired length for dramatic linear installations, which is impossible to do with gas fires
  • Opti-Myst technology creates an incredible, life-like 3-dimensional flame effect of fire and smoke.
  • Designed to be directly wired to a 120-volt circuit for a seamless look or get the optional plug-kit if you prefer not to hardwire it
  • Brushed Stainless Steel Finish for a polished look
  • Extremely cost-efficient as you only need to fill the tank with water, only costing pennies an hour
  • An Easy-fill water tank offers 8 hours of continuous operation before it needs to be refilled
  • A Plumbing Connection Kit for each cassette if connecting multiple cassettes
  • Includes a flat plate to support custom media
  • The cassette can also be used with any accessory that doesn't block the vapor from coming out, like glass pieces, rocks, decorative logs, etc.
  • Safe to touch as it emits no heat or emissions
  • Has the crackle of a real wood fire for a more soothing atmosphere
  • Low Maintenance as LED lights never need to be replaced
  • The green alternative. No harmful particulates or emissions and 100% efficient.
  • Includes a convenient remote control to easily adjust the settings of multiple cassettes
  • An optional heater can be installed above the cassette to provide supplemental heat to up to 400 sq. ft. 
  • Optional Plumbing Kit provides continuous water supply complete with overflow safety sensor, automatically shutting off water to prevent leaks.
  • 120 V
  • 230 Watts
  • 1.91 Amps
  • 785 BTUs
  • Dimensions: 9 1⁄2"H x 20" W x  12"D
  • Weight: 35 lbs
  • UL Listed
  • 2-Year Manufacturer Warranty

What's in the Box:

  • Opti-myst® 500 Water Vapor Fireplace - 1 pc.
  • Remote Control - 1 pc.
  • Media Tray - 1 pc.
  • User's Manual



      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
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      John T.
      United States
      I recommend this product

      Dimplex Opt-myst 20” fireplace

      Haven’t installed it yet due to remodeling delays. But I MUST say that “Arnold” at Modern Blaze was very determined to get me the options I needed, and finally succeeded. Kudos to Arnold. Will definitely go to Modern Blaze if future needs.

      Noah Z.
      United States United States
      I recommend this product

      Timely and Just as Advertised

      Delivery was quick and the product was as described.

      Yulian M.
      United States United States
      I recommend this product

      Excellent product!!!

      Loved this fireplace for our projects .

      Rosa P.
      United States United States
      I recommend this product

      Dimplex Optimist-Myst Pro 1000

      I’m very happy with my purchase. Fireplace looks very realistic and unique. Modern Blaze shipped it quickly and the customer service is great, they will answer any questions you might have ..

      Kourosh K.

      Beautiful fireplace

      I love my new fireplace!

      Modern Blaze Dimplex Opti-myst 500 - 20-Inch Water Vapor Fireplace Cassette (CDFI500-PRO) ReviewModern Blaze Dimplex Opti-myst 500 - 20-Inch Water Vapor Fireplace Cassette (CDFI500-PRO) Review
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