The Opti‑Myst Glass Heater Disk is a brand‑new, direct‑fit replacement transducer designed for Dimplex electric wall fireplaces. Each pack includes one ready‑to‑install transducer unit and a matching glass disk, so you can restore the signature mist effect in minutes.
Compatible models
– Dimplex Auberry (AUB20)
– Dimplex Cassette series (CAS600, CAS400NHLL, CAS400HLL, CAS600NH)
– Moorefield MFD20 (Series A)
If your fire stops producing mist or shuts down after about 30 seconds, the transducer is often the culprit. Keep in mind that other components—such as the sump fan, water level, calcium buildup, lamps, or mist nozzle—can also affect performance. For safety and optimal results, let a qualified technician handle the replacement.
The unit is built for roughly 1 000 hours of operation. Spare glass disks and removal tools are sold separately. Although not manufactured by Dimplex, this part is engineered to meet the original specifications and fits seamlessly into existing Dimplex systems.
Key benefits
– Quick DIY installation (with professional help recommended)
– Restores full mist output for a realistic fire ambiance
– Extends the life of your electric wall fireplace
Upgrade your Dimplex Opti‑Myst fire today and enjoy the soothing glow and gentle mist that make every room feel cozier.





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