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Dimplex Opti-myst Pro 1000 Built-in Electric Firebox


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About This Product:

Finally, Dimplex’s award-winning Opti-Myst in a built-in firebox. If you’re looking for stunning, realistic flames that don’t require venting, this is for you. This unit can be used in a single-sided or see-thru setup and is perfect for new builds and modern remodels. A truly unique fireplace that stands out from the crowd.

Opti-Myst itself produces no heat – it’s water vapor! However, this unit does integrate a 400sqft heater as well as optional crackle sounds for a truly authentic fireplace experience.

The best part? It’s easy to install and maintain. No venting, no gas line hookup, no smoke, no soot. Just safe, stunning fireplace ambiance at the flick of a switch.

Item Details


  • Mounting: Must be fully wall-recessed
  • Wiring: Direct-wire
  • Fueling: Refill the water reservoir after 12 hours of operation. Plumbing Kits are available if you wish to connect to a water supply for continuous use
  • Log Sets are also available. Add some rustic charm to your Opti-Myst fire!

Fireplace Features

  • Opti-myst® flame effect – a cutting-edge ultrasonic technology that uses a fine mist and halogen lighting to mimic flames and smoke
  • Remote control operates heat and smoke-effect settings
  • 12 hours of operation per water tank fill-up
  • Energy efficient with a low carbon footprint
  • Heat output: 4981BTU (400sqft)
  • Dimensions: 46.625″ W x 31.75″ H x 16.25″ D
  • Weight: 72 lb
  • 2-year warranty


Dimplex Opti-Myst Brochure
GBF1000-PRO Owners Manual

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