DIMPLEX OPTI-MYST® 500 - 20" WATER VAPOR FIREPLACE CASSETTE (CDFI500-P — Flame Authority Skip to content


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. See-through, three-sided, open concept, the possibilities are endless, so go ahead, play with fire. 

Opti‐myst® Pro 500 20" Cassette is ideal for commercial applications. You can connect multiple cassettes to create dramatic linear installations.

Optional log kitplug kitplumbing kit and heater sold separately.


  • Indoor Water Vapor Fireplace
  • Hardwired Installation
  • Contemporary Style
  • Brushed Stainless Steel Finish
  • Opti-Myst fireplace technology: Incredibly, life-like, patented 3-dimensional flame effect. Creates an illusion of fire and smoke. The world’s most authentic fireplace experience.
  • 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 impossible to achieve with gas fires
  • Fill the water tank with tap water and enjoy
  • Easy-fill water tank: Offers 8 hours of continuous operation before refilling is required.
  • Optional Plumbing Connection: Provides continuous water supply complete with overflow safety sensor, automatically shutting off water to prevent leaks.
  • Designed to be direct-wired to a 120-volt circuit for a seamless look. (Optional plug kit available).
  • If connecting multiple cassettes you need a Plumbing Connection Kit for each cassette.
  • Includes flat plate that supports custom media (not included). Optional inner glow logs also available.
  • The cassette can also be used with any other accessories that don't block the vapor from coming out, like glass pieces, rocks, decorative logs etc.
  • The cassette doesn't have a heat function. However, an optional heater can be installed above the cassette to provide supplemental heat to up to 400 sq. ft. 
  • Includes a convenient remote control for ease of use at your fingertips.
  • When connecting multiple cassettes use one remote to control all cassettes for simplicity.
  • The crackle of a real wood fire - adjustable with remote control
  • The green alternative. No harmful particulates or emissions and 100% efficient.
  • Completely safe, with no flame heat or emissions.
  • Low Maintenance - LED lights never need to be replaced
  • Economical - Fueled by water - costs only pennies per hour
  • 120 V
  • 230 Watts
  • 1.91 Amps
  • 785 BTUs
  • UL Listed
  • Dimensions: 9 1⁄2"H x 20" W x  12"D
  • Weight: 35 lbs
  • 2-Year Manufacturer Warranty