Description

The Dimplex Cassette 400/600 inset fire redefines modern fireplace design, combining cutting-edge water vapour flame technology (opti-myst) with remarkable installation flexibility. Featuring a free-floating flame and ultra-realistic smoke effect, this electric fire creates a stunning focal point that surprises and delights from every angle.

Thanks to its compact, modular design and variable flame intensity, the Cassette range is perfectly suited to endlessly creative interior solutions. Install a single unit within a table, media wall, or decorative feature, seamlessly integrate it into an existing gas or wood-burning fireplace, or create a dramatic line of fire by placing multiple cassettes side by side. The design possibilities are virtually limitless.

With no flue, no gas, and no heat output, installation is refreshingly simple. All you need is a standard UK plug socket with 230V electrical connection. Just fill the easy-access water reservoir with fresh water, sit back, and activate the fire using the included remote control to enjoy hours of cosy, atmospheric ambience again and again.

Features

Ultra-Realistic Flame & Smoke Effect
Advanced opti-myst water vapour technology
Produces a captivating, free-floating flame with lifelike smoke
Easy to fill water tank
Provides approximately 8–10 hours of continuous operation before refilling
Four-Sided view of the flames
Ideal for open installations, feature furniture, and bespoke designs
Energy-Efficient LED Lighting
Crackling log sound effects with adjustable volume
Suitable for commercial or residential installations
2 year warranty for peace of mind

Dimensions & Specs

Click here to view & download product manual

SKU	210791
Product icon	Estimated 7-10 Day Delivery
Product Image icon	Warranty 2 Year
Brand	Dimplex
Flame Effect	Opti-Myst
Fuel Type	Electric
DEFRA Approved	No
Chimney Type	No Chimney Required
Width	405mm
Height	171mm (Engine Only)
Depth	216mm
Weight (Kg)	6
Style	Contemporary, Timeless, Traditional
Warranty	3 Year
Fuel Bed	Logs

Please click on the links below to view or download the manual for this product.

Dimplex Cassette 400 600 Manual

Heat Output Estimator

Unsure what size of Stove or Fire you need?

Try our handy Kilowatt Calculator to give you a rough idea what size of appliance you will need for your room.

Delivery Info

Free Next Day or Day of Choice Delivery

Orders over £100 (to most UK mainland addresses) qualify for FREE delivery.
Place your order before midday (with in-stock items) for next working day delivery or choose a delivery date that suits you.
Orders under £100 are subject to a £6.95 delivery charge.
Deliveries are made Monday to Friday.
Weekend delivery (Saturday or Sunday) is available at an extra cost – contact us to arrange.

Click & Collect

Would you like your item faster? Use our Free Click & Collect service.
Available on in-stock items from our warehouses.
When placing your order, simply add a note stating your preferred collection date.
If you’re unsure about collection options, just get in touch, we’re here to help.

Delivery - What to Expect

Our standard deliveries arrive via a 10-tonne lorry (similar in size to a bin wagon or fire engine), equipped with a tail lift and pallet truck.
Access must be suitable: solid, level surfaces (no gravel, steps, steep slopes, or grass).
For palletised deliveries the driver will move the pallet to the nearest accessible point, but cannot go over unsuitable terrain or carry goods indoors, though may place them inside a garage if accessible.
If you have narrow gates, restricted access, or other challenges, please let us know in advance so we can make suitable arrangements.
Our free service is a one-man delivery. We recommend having someone available to assist, especially for larger items.
The delivery driver is not able to unpack or install your goods unless this is a service you have selected.

Checking Your Delivery

On delivery of your palletised goods, the driver will wait up to 10 minutes while you inspect the item(s).
Please check your goods before the driver leaves. If there is any damage or the driver refuses to wait, note this on the delivery slip (e.g., “Driver did not wait – damage unchecked”).
For any damage found, mark the delivery note clearly and contact us immediately.

Missed Deliveries

If you miss your pre-booked delivery, a re-delivery charge may apply.
For smaller items sent via courier (e.g., stove glass), the courier will leave a note with redelivery instructions if you’re not home.

Additional Delivery Notes

Accessory items like fitting kits and liner packs may be sent separately via courier on the same day. You’ll receive email confirmation if this is the case.
Delivery times are generally between 9am–6pm, Monday to Friday.
Delivery depots may send SMS updates, but these aren’t guaranteed.

Please DO NOT book installers, plumbers, electricians or other contractors until your goods have been delivered and checked, as delays can sometimes occur beyond our control.

Frequently Asked Questions

How much does delivery cost?

Most of our items come with free standard delivery to mainland UK when you spend over £100, but some larger or more remote deliveries may incur additional charges. You can view your delivery cost by entering your postcode at checkout before completing your order.

Do you deliver to all parts of the UK?

Yes, we deliver across the entire UK, including the Scottish Highlands and Islands, Northern Ireland, and other offshore locations. To check the exact delivery cost to your address, simply enter your postcode at checkout.

Is Click & Collect available?

Yes! We offer Click & Collect on a wide range of our products. Simply call our customer service team to check if your chosen item is eligible. Once your order is ready, we'll notify you with full collection details, including opening hours and what to bring with you.

Do you deliver to the Republic of Ireland (ROI)?

Yes, we do deliver to the Republic of Ireland. Simply select Ireland as your delivery country at the checkout to view shipping options and charges. Please note that delivery times may vary depending on the item, especially for larger or heavier products like stoves and fireplaces.

When will my order be delivered?

We offer a range of delivery options, including next day delivery on many of our products when ordered before the cut-off time. Delivery times for larger or made-to-order items may vary, each product page displays estimated delivery times to give you a good idea of when to expect your goods.

FAQs (3)

Customer Questions

Hi, thank you for your enquiry. If the product is still in pristine condition, it has not been used and still in the original packaging, we offer customers a 30 day return policy. Details of this can be found here.

Hi, You can turn the Dimplex Cassette 400 Opti-Myst Electric Fire on and then turn down the mist and flame effect, however we would advise you to fll the water tank beforehand.