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MI-VIT Lite - Reducer - Ø 150-130mm (27-150-004)

Enhance your flue system with National Flues' MI-VIT Lite Reducer Ø 150-130mm, an exceptional single skin pipe connector designed for gas, oil, and solid fuel appliances. This premium reducer, crafted from zero carbon steel and finished in a sleek matt black, reliably delivers performance at temperatures up to 600°C. Trusted by professionals and homeowners alike, this component meets rigorous EN1856-2 standards, ensuring safety, efficiency, and longevity. Discover superior flue connectivity and Read more...
The price you pay today £36.99
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At a Glance

    High-temperature tolerance up to 600°C
    Friction fit design eliminates need for sealing in standard installations
    Crafted from robust zero carbon steel with durable powder enamel coating
    Sleek matt black finish ensures style as well as performance
    Suitable for gas, oil, and solid fuel installations with strict safety standards
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

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All our products come with warranties and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

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We will match any price, like-for-like, on a retail basis. Give us a call if you find it cheaper and want to buy from us.

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The MI-VIT Lite Reducer Ø 150-130mm is an essential connecting pipe designed for use with gas, oil, and solid fuel appliances with temperatures reaching up to 600 degrees Celsius. This single skin flue component, crafted from zero carbon steel and featuring a durable vitreous enamel coating in a sleek matt black finish, ensures both functionality and aesthetic appeal in your flue system.This reducer should only serve as a connecting pipe between your appliance and your Flue Liner, Chimney Stack, or Twin Wall Flue System. Never use it to pass through ceilings or combustible walls.With the MI-VIT Lite, you’re guaranteed a friction fit that doesn’t require sealing for high-temperature installations (T600).

However, for pellet installations where positive pressure exists (P1 applications), seals on every joint are a must. Remember, don't place this product within 450mm of combustible materials like wood or plasterboard.Installation should see the smaller diameter pointing downward to retain condensates within the flue system. While the product can be cut to size, make sure to protect any exposed steel with high-temperature paint to prevent rusting.Regular maintenance is key, particularly for solid fuel applications, where annual chimney sweeps are recommended.

Access doors at points of direction change ensure your system is clean and performing at its best.

SKU: 27-150-004

Technical Specifications
SKU27-150-004
Dimensionsu00d8 150-130mm
MaterialZero Carbon Steel
Steel Thickness0.7mm
CoatingPowder Enamel (0.3mm)
ColourMatt Black
ApprovalEN1856-2 T600 N1 Vm L8010 G450
Max Temperature600u00b0C
Minimum Distance To Combustible450mm
• Install the reducer with the smaller diameter pointing downwards to ensure condensates remain within the flue system. • This component is strictly for connecting your appliance to your flue liner, chimney stack, or twin wall flue system – do not pass through ceilings or combustible walls. • For pellet installations (P1 applications) where positive pressure is present, ensure every joint is sealed appropriately. • If cutting the reducer to size, immediately protect any exposed steel with high-temperature paint to prevent rust. • Regular maintenance is critical – make sure to schedule annual inspections and chimney sweeps to keep your system operating safely and efficiently. • Consider optional accessories such as flue seals, high-temperature paint, and installation brackets to further enhance system performance.

Yes, the MI-VIT Lite Reducer is suitable for gas, oil, and solid fuel appliances, handling temperatures up to 600 degrees Celsius.

Ensure the MI-VIT Lite is installed at least 450mm away from combustible materials such as wood and plasterboard.

For standard installations, sealing isn’t required due to its friction fit design. However, for pellet installations (P1 applications), seals must be placed on every joint.

Yes, the MI-VIT Lite can be cut, but make sure to cover any exposed steel with high-temperature paint to prevent rusting over time.

Installing it this way ensures condensates stay within the flue system, preventing leaks and maintaining efficient operation.

Regular chimney inspections and cleaning are essential, especially for solid fuel appliances, to ensure optimal performance and safety. Annual sweeping is recommended.

No, the MI-VIT Lite should not be used to pass through ceilings or combustible walls. Use appropriate non-combustible flue systems for such applications.

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