DIMPLEX OPTI-MYST® PRO 1000 - 40" WATER VAPOR FIREPLACE CASSETTE (CDFI — Flame Authority Skip to content


Dimplex Authorized DealerDimplex Opti-Myst CDFI1000-Pro Cassette is a customizable Water Vapor Fireplace that creates realistic 3D flames by using LED lights and steam without the danger of fire. Perfect for houses without chimneys, hotels, restaurants, offices, & high-rises.

It is the longest Opti-myst® cassette that spans 40" with the flame from edge to edge and can be connected in a series of cassettes for dramatic linear installations impossible to achieve with gas fireplaces. The dazzling flame realism that rivals gas, with the safety and simplicity of electric.

With this cassette, you can build a standard fireplace with custom surround as well as 2-sided, 3-sided, and 360 fireplaces, and even a fireplace built into a furniture piece. 

Optional log kitplug kitplumbing kit and heater sold separately.


  • Indoor Water Vapor Fireplace
  • Contemporary Style
  • Brushed Stainless Steel Finish
  • Hardwired installation
  • 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 up to 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. 
  • If connecting multiple cassettes you need a Plumbing Connection Kit for each cassette.
  • Designed to be direct-wired to a 120-volt circuit for a seamless look. (Optional plug kit available).
  • 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
  • 460 Watts
  • 3.8 Amps
  • UL Listed
  • Dimensions: 9 1⁄2"H x 40 3⁄8 W x  12"D
  • Weight: 35 lbs
  • 2-Year Manufacturer Warranty