Dimplex Optimyst Pro Box 40" Built-In Water Vapor Firebox

The Dimplex Optimyst Pro Box 40″ combines realistic 3D flame and smoke effects with a sleek, built-in design. Powered by water-vapor technology, it creates a lifelike flame illusion with no real fire, soot, or venting needed. The firebox includes a discreet, fan-forced heater for supplemental warming, adjustable flame width via custom spacers, and options for either single- or double-sided installation. With remote and app control, continuous water-line compatibility, and low maintenance, it’s an elegant, modern solution for homes and commercial spaces.

Features

• Ultra-realistic 3D flame and smoke effects using water-vapor
• Adjustable flame width (via spacers) for a custom flame pattern
• Fan-forced heater provides supplemental warmth (up to ~400 sq ft)
• Single- or double-sided (see-through) installation option
• Ability to connect to continuous water supply for uninterrupted operation
• Manual water refill option for flexible use
• Removable media tray allows custom ember bed setups
• Controls via remote and app (Flame Connect)
• Vent-free design — no chimney or flue required
• Cool-touch front glass for safety