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Dimplex: Opti-Myst® 400 Built-In Electric Cassette

Dimplex DFI400LH Opti-Myst Electric Cassette with Logs provides a unique alternative insert (with logs) for your indoor fireplace needs. With its revolutionary ultrasonic technology, the Dimplex Opti-Myst can create convincing flame and smoke effects while offering a more flexible installation than a standard fireplace. The Electric Cassette can be connected to a water supply for continuous use or simply use the integrated water reservoir that can ensure operation for 14-17 hours straight. The cracking sound of real flames and the multi-function remote control help finish off a unit that offers an extremely realistic fireplace experience. The result is so convincing it can often be mistaken for a true wood-burning fireplace!

Features:
•Opti-Myst Technology – Lifelike 3D flame effects help create an illusion of fire and smoke
•Logs Included – Enjoy the included log media
•Water Reservoir – Makes it possible to operate the unit for approximately 14 to 17 hours straight
•Safety – Creates zero flame heat/emissions
•Sound – Realistic cracking sound of a natural wood fire; Adjustable with remote
•Water Fueled – Low cost

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Important: Product Availability by Location

Not all fireplace and stove brands are available at both our Butte and Helena locations. Each showroom carries different manufacturer lines and inventory based on local partnerships and customer demand.


To ensure we have the exact fireplace or stove you’re looking for in stock, please call ahead or mention your preferred location when requesting an estimate. Our team will let you know immediately if your selected product is available at your nearest showroom.

Locations

We’re here to help! If your preferred product isn’t available at your closest location, we’ll work with you to find the best solution—whether that’s special ordering, transferring inventory, or recommending a comparable model that meets your heating needs.