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Opti-myst › Opti-myst accerisories › Ventilation
Magic Fires hybrid fireplace cassette with black top plate

Ventilation Grilles for Opti-myst Hybrid Fireplaces

Ventilation is always important for hybrid fireplaces with Opti-myst technology. It is crucial that the fireplace inserts have free ventilation to prevent overheating, which can cause the cassette to malfunction. Ventilation grilles are an effective solution to ensure sufficient air circulation and thereby optimal performance of your fireplace. Always remember to follow the instructions in the installation manual for safe and correct use.

Dimensions & Weight
Depth
Height
Length/Width
Key Specifications
Product type
Key Specifications
Use
Material and Appearance
Colour

    FOCO Fires

    Ventilation Grates for Fireplaces - White

    from £69
    Fireplace Air Grid
    from £69
    ADD TO CART
    Delivery time
    From 1-2 business days
    from £69
    ADD TO CART
    Delivery time
    From 1-2 business days
    ADD TO CART

    FOCO Fires

    Ventilation Grill - Black

    from £59
    Ventilation grill in black finish
    from £59
    ADD TO CART
    Delivery time
    From 1-2 business days
    from £59
    ADD TO CART
    Delivery time
    From 1-2 business days
    ADD TO CART

    Dimplex

    Ventilation Grille White - 80x7.6 cm - 210 cm²

    £59
     Ventilation Grille White - 80x7.6 cm with a ventilation area of 210 cm²
     Ventilation Grille White - 80x7.6 cm with a ventilation area of 210 cm²
    £59
    ADD TO CART
    Delivery time
    1-2 business days
    £59
    ADD TO CART
    Delivery time
    1-2 business days
    ADD TO CART

    Dimplex

    Ventilation Grille White - 100x11 cm - 420 cm²

    £59
    White Ventilation Grille - 100x11 cm with a Ventilation Area of 420 cm²
    White Ventilation Grille - 100x11 cm with a Ventilation Area of 420 cm²
    £59
    ADD TO CART
    Delivery time
    1-2 business days
    £59
    ADD TO CART
    Delivery time
    1-2 business days
    ADD TO CART

    Dimplex

    Ventilation Grille Black - 50x10 cm - 214 cm²

    £49
    Ventilation Grille Black - 50x10 cm with a ventilation area of 214 cm²
    Ventilation Grille Black - 50x10 cm with a ventilation area of 214 cm²
    £49
    ADD TO CART
    Delivery time
    1-2 weeks
    £49
    ADD TO CART
    Delivery time
    1-2 weeks
    ADD TO CART

    Dimplex

    Ventilation Grille Black - 80x6.5 cm - 210 cm²

    £49
    Black Ventilation Grille 80x6.5 cm - Air Opening 210 cm²
    Black Ventilation Grille 80x6.5 cm - Air Opening 210 cm²
    £49
    ADD TO CART
    Delivery time
    1-2 business days
    £49
    ADD TO CART
    Delivery time
    1-2 business days
    ADD TO CART

    Dimplex

    Ventilation Grille Black - 80x7.6 cm - 210 cm²

    £59
    Ventilation Grille Black - 80x7.6 cm - 210 cm²
    Ventilation Grille Black - 80x7.6 cm - 210 cm²
    £59
    ADD TO CART
    Delivery time
    1-2 business days
    £59
    ADD TO CART
    Delivery time
    1-2 business days
    ADD TO CART

    Dimplex

    Ventilation Grill - White

    £49
    Ventilation Grill in white, designed to improve airflow and ventilation in any room while offering a clean, sleek look
    Ventilation Grill in white, designed to improve airflow and ventilation in any room while offering a clean, sleek look
    £49
    ADD TO CART
    Delivery time
    1-2 business days
    £49
    ADD TO CART
    Delivery time
    1-2 business days
    ADD TO CART

    Dimplex

    Ventilation grille White - 50x10 cm - 214 cm²

    £49
    White ventilation grille - 50x10 cm with a ventilation area of 214 cm²
    White ventilation grille - 50x10 cm with a ventilation area of 214 cm²
    £49
    ADD TO CART
    Delivery time
    1-2 business days
    £49
    ADD TO CART
    Delivery time
    1-2 business days
    ADD TO CART

    Dimplex

    Ventilation Grille Black - 25x20.5 cm - 210 cm²

    £49
    Black Ventilation Grille - Size: 25x20.5 cm - Ventilation Area: 210 cm²
    Black Ventilation Grille - Size: 25x20.5 cm - Ventilation Area: 210 cm²
    £49
    ADD TO CART
    Delivery time
    1-2 business days
    £49
    ADD TO CART
    Delivery time
    1-2 business days
    ADD TO CART

    Dimplex

    Ventilation Grill White - 25x20.5 cm - 210 cm²

    £49
    White Ventilation Grill - 25x20.5 cm with a Ventilation Area of 210 cm²
    White Ventilation Grill - 25x20.5 cm with a Ventilation Area of 210 cm²
    £49
    ADD TO CART
    Delivery time
    1-2 business days
    £49
    ADD TO CART
    Delivery time
    1-2 business days
    ADD TO CART

    Dimplex

    Ventilation Grill Black - 100x9 cm - 450 cm²

    £59
    Black Ventilation Grill - 100x9 cm with a Ventilation Area of 450 cm²
    Black Ventilation Grill - 100x9 cm with a Ventilation Area of 450 cm²
    £59
    ADD TO CART
    Delivery time
    1-2 business days
    £59
    ADD TO CART
    Delivery time
    1-2 business days
    ADD TO CART

    Dimplex

    Ventilation Grille White - 100x9 cm - 450 cm²

    £59
    White Ventilation Grille - 100x9 cm with a Ventilation Area of 450 cm²
    White Ventilation Grille - 100x9 cm with a Ventilation Area of 450 cm²
    £59
    ADD TO CART
    Delivery time
    1-2 business days
    £59
    ADD TO CART
    Delivery time
    1-2 business days
    ADD TO CART

    Dimplex

    Black Ventilation Grille - 100x11 cm - 420 cm²

    £59
     Black Ventilation Grille - 100x11 cm with a Ventilation Area of 420 cm²
     Black Ventilation Grille - 100x11 cm with a Ventilation Area of 420 cm²
    £59
    ADD TO CART
    Delivery time
    1-2 business days
    £59
    ADD TO CART
    Delivery time
    1-2 business days
    ADD TO CART

      When is Ventilation Required for Your Hybrid Fireplace?

      All Opti-myst hybrid fireplaces that are built into or recessed into building materials require extra ventilation to function properly. These built-in Cassette models are often placed in walls, niches, or furniture, which can limit air circulation around the insert. Without sufficient ventilation, the Cassette risks overheating, which may affect both performance and lifespan. It is therefore important to follow the installation instructions and use ventilation grilles in the correct size for your specific model.

      Freestanding hybrid fireplaces, on the other hand, require no separate ventilation. They are often designed with built-in solutions that ensure optimal air circulation, providing safe and efficient operation without extra measures.

      By understanding the difference between built-in and freestanding models, you can ensure that your hybrid fireplace works at its best while enjoying an authentic fireplace experience.

      Product Guide: Ventilation for Opti-myst Cassette

      For your Opti-myst Cassette to operate safely and optimally, proper ventilation is essential. Different Cassette models require different ventilation areas beneath and around the insert. If you have a built-in model, you should always check the manual for the exact requirements.

      Cassette 400: This model requires a ventilation opening of at least 100 cm² to avoid overheating and to ensure an even distribution of vapour.

      Cassette 500: This model requires a ventilation opening of at least 210 cm² for correct operation.

      Cassette 1000: Since this model is larger, it requires a minimum ventilation opening of 420 cm² to ensure sufficient airflow and optimal performance.

      Tips: Use ventilation grilles that match the recommended size and always follow the instructions in the manual. Proper ventilation prevents overheating and extends the lifespan of your fireplace.

      The Importance of Ventilation Beneath an Installed Cassette

      When installing a Cassette, it is essential to ensure free ventilation beneath the unit. Ventilation under the Cassette allows heat and vapour to circulate freely, preventing overheating. Overheating can not only affect performance but also damage the insert in the long run.

      Proper ventilation beneath the Cassette also contributes to even heat distribution and a stable, realistic vapour effect. Therefore, it is important to use ventilation grilles in the recommended size to ensure that the Cassette receives the necessary airflow.

      Ventilation Guide

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