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Dimplex Opti-Myst Cassette 500 – Water Vapour Fireplace Insert with Remote Control
Introducing the large 50 cm Dimplex Opti-myst Cassette. This cassette is specifically designed for Do-It-Yourself projects, allowing you to build your own Opti-myst water vapour fireplace.
Opti-myst is a technology developed by Dimplex that creates three-dimensional flame effects using water vapour and LED lights. This produces a stunning flame effect, and these fireplaces are often referred to as Opti-myst, Hybrid, or Water Vapour fireplaces.
The Dimplex Cassette 500 comes with a black metal top plate as standard. However, you can also purchase a set of decorative logs to place on top of the cassette, enhancing the effect of a real fire.
Hybrid fireplaces like the Dimplex Cassette 500 can be installed and used in a wide range of settings since they do not require a flue connection. All that is needed is a connection to an electrical outlet. The Dimplex Cassette 500 does not produce heat, making it perfect for newer homes where additional heating from a fireplace is not necessary, but where you still want to enjoy the cozy atmosphere that a fireplace creates.
Additionally, the Cassette 500 has a built-in sound module that can create sparkling fireplace sound effects.
Manual Water Refilling
This version of the Dimplex Optimyst Cassette 500 is equipped with a water reservoir that needs to be filled with water to create the flame effect. One water refill provides flames for approximately 8-12 hours, depending on the flame effect.
The Cassette 500 is also available in a version that requires a fixed water connection. In this case, the cassette will be automatically refilled with water when needed. Read more about the Dimplex Cassette 500 Projects with automatic water connection here.
TECH CARD
Key Features:
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Water Vapour Flame Technology: Realistic 3D flame effect using LED lights and water vapour—no real fire required.
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Manual Water Refill System: Simple to refill, with up to 12 hours of flame effects on a single tank of water.
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Remote Control Included: Easily control the flame intensity and sound effects from the comfort of your couch.
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No Heat Output: Perfect for creating a cozy atmosphere in spaces that don’t need extra heat—ideal for newer homes.
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Sound Effects: Built-in sound module for authentic crackling fireplace sounds.
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Energy Efficient: Only 220 watts of power usage, making it an eco-friendly and cost-effective solution.
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Compact and Stylish Design: Sleek, black metal top plate and compact size fit seamlessly into any room.
Specifications:
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Dimensions: 50.8 cm (L) x 23 cm (H) x 30.5 cm (D)
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Weight: 9 kg
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Power Consumption: 220 watts
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Fuel: Water and electricity
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Water Capacity: 2 Litres
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Flame Colour: Single colour effect
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Burn Time: Up to 10 hours per refill
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Sound Effect: Included built-in sparkling sound module
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Installation Type: DIY, no flue or chimney required
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Warranty: 2 years
Installation & Usage:
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DIY Friendly: The Dimplex Opti-Myst Cassette 500 is designed for easy installation in custom-built fireplaces. No professional installation required.
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Versatile: Use it in living rooms, bedrooms, or offices to add a realistic flame effect without the need for actual heat.
Additional Options:
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Optional Logset Decoration: Enhance the realism of your fire with two available logset options (sold separately):
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Logset 500: A compact log set with built-in lighting effects (509mm width).
- Logset 500 new: A compact log set with built-in lighting effects (510mm width).
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Included in the Box:
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Dimplex Opti-Myst Cassette 500
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Remote Control
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Black Metal Top Plate
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1.5-meter Power Cord
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User Manua
Why Choose Dimplex Opti-Myst Cassette 500?
The Dimplex Cassette 500 is perfect for homeowners who want the ambiance of a real fire without the hassle. With no need for a flue or complex installation, this water vapour fireplace is an easy, maintenance-free solution that adds a touch of elegance to your space. Whether you’re refurbishing an existing fireplace or embarking on a DIY project, the Cassette 500 makes it simple to enjoy realistic flames and soothing sounds at the push of a button.
TECH CARD
USER MANUAL

Delivery & Return
Shipping Policy
Enjoy Free UK Delivery on Orders Over £199!
Enjoy free shipping on orders over £199 at Redlakecompany.co.uk! Most items qualify for free delivery, with shipping costs for Gloss Fire products calculated at checkout.
You can choose to have your order shipped with a variety of carriers, including DHL, UPS, Parcelforce, and DPD. However, we reserve the right to use a different courier if your parcel exceeds the size limits of the selected carrier.
Most orders placed before 3:00 PM are shipped the same day.
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Shipment method |
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DHL, UPS, Palletforce |
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Estimated delivery time |
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Delivery within 1-3 working days |
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Shipping cost |
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From £199 - £0.00 |
Shipment confirmation & Order tracking
You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s).
International Shipping Policy
We do ship outside the UK. For detailed information contact us info@redlakecompany.co.uk
Returns Policy
"Love it or Return it Guarantee"
At Redlake, we want to ensure that you receive the product that’s perfect for you. We understand that choosing the right item can be challenging, and sometimes things look different once they’re in your home.
That’s why we offer a free 30-day, no-questions-asked return guarantee. If you’re not completely satisfied with your order, you can exchange it for any other product or simply return it for a full refund.
Contact us by live chat or email info@redlakecompany.co.uk and request the appropriate returns address. To be eligible for a return, your item must be in the same condition that you received it, in its original packaging. You’ll also need the receipt or proof of purchase.
If you wish to return an item, please review our return policy.
View return policy.
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