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Picture 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 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 Brochure


  • Opti-myst technology - life-like, 3-dimensional flame effect, creates an illusion of fire and smoke. The world's most authentic electric fireplace experience.
  • Easy Fill Water Reservoir - Offers up to 12 hours of continuous operation before refilling.
  • Media Options - Includes a flat plate that supports custom media (not included). Optional inner glow logs also available.
  • Safe - With no flame heat and a glass front that stays cool to the touch
Dimplex Opti-Myst Pro 500 Built In Electric Cassette | CDFI500-PRO | Technical Details


Product Details

Fuel Type: Electric
Vent Type: Vent Free
Installation Type: Built In
Style: Traditional
Weight: 24 lbs.
BTU's @ 120V: 785 BTU's
Amps: 3.83 Amps
Watts: Max 230W
No Heat Setting: No
Dimplex Opti-Myst Pro 500 Built In Electric Cassette | CDFI500-PRO | Dimensions


Actual Dimensions

Height Width Depth
81/2" 20" 12"

Framing Dimensions

Height Width Depth
91/2" 203/8" 141/4"

Technical Drawings

For more detail please see the Installation Manual

CDFI500 Technical Drawing 1
CDFI500 Technical Drawing 2


Is the log set included?

No, the log set is an optional accessory you can find it by clicking here.

How will this fireplace be shipped to my house?

The Opti-myst Pro 500 Cassette fireplace will be securely packaged and inspected before leaving the warehouse. For more information, see our FAQ page.

Have another question? Email us,, call us (844)635-5499 or use the question and answer system below!

Questions & Answers

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  • Do you sale a round table in your ad for Dimplex Opti-Myst‚® Pro 500 Built In Electric Cassette | CDFI500-PRO?

    No, the table is not available for sale.  Thanks for your question!

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