The Dimplex Optimyst Pro Box 40" Built-In Water Vapor Firebox delivers a high-end, built-in fireplace experience with realistic flames and smoke created by advanced water-vapor and LED technology. It features adaptable flame shape, allowing you to customize the flame’s width and pattern using included spacers. With a discreet fan-forced heater, it provides supplemental warmth for rooms up to 400 sq ft. The unit supports both single- and double-sided installation, and it can connect to a continuous water supply for long-lasting operation. Control is simple via remote or smartphone app.

Features

• Ultra-realistic 3D flame and smoke using water vapor technology
• Adjustable flame width and pattern using spacers and slots
• Discreet fan-forced heater for supplemental heat
• Single- or double-sided (see-through) installation option
• Optional continuous water line connection for extended use
• Customizable ember bed with tray (optional logs or glass)
• Remote control + app (Flame Connect) for flame, heat, and mist control
• Vent-free design — no chimney needed