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MI-VIT Lite - Reducer - Ø 150-125mm (27-150-003)

The MI-VIT Lite Reducer Ø 150-125mm from National Flues is a reliable, high-performance solution designed for connecting gas, oil, and solid fuel appliances to your flue system. Crafted from premium zero carbon steel and finished in a stylish matt black enamel, this reducer is engineered to withstand high temperatures up to 600°C. Optimize your flue system by pairing this product with our optional accessories like high-temperature seals, protective paints, and maintenance tools, available to ens Read more...
The price you pay today £35.99
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At a Glance

    Suitable for gas, oil, and solid fuel appliances
    Constructed from robust zero carbon steel
    Withstands temperatures up to 600°C
    Durable vitreous enamel coating in matt black finish
    Secure friction fit joints for reliable connections
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.

Warranty & Returns +

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.

We Won't Be Beaten On Price

At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:

  • Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
  • Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
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Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).

“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.

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

The MI-VIT Lite Reducer Ø 150-125mm is an essential component for connecting pipes between your appliance and the main flue system. Suitable for gas, oil, and solid fuel appliances, it can withstand temperatures up to 600°C. Manufactured from zero carbon steel with a vitreous enamel coating in a sleek matt black finish, this reducer is both durable and stylish.

When installed with a seal, it achieves a P1 pressure rating at working temperatures up to 200°C T200. Note that it should not be used through ceilings or combustible walls, and must be installed at least 450mm away from any combustible materials. Regular maintenance by inspecting and cleaning is recommended, especially for solid fuel applications.

Access doors should be installed at directional changes for easier maintenance. The MI-VIT Lite features friction fit joints, and for positive pressure applications, seals should be placed on every joint. This product is engineered to be cut, but caution must be taken to cover exposed steel with high-temperature paint to prevent rust.

SKU: 27-150-003

Technical Specifications
SKU27-150-003
MaterialZero Carbon Steel
Steel Thickness0.7mm
CoatingPowder Enamel
Coating Thickness0.3mm
ColourMatt Black
ApprovalEN1856-2 T600 N1 Vm L8010 G450
Temperature Resistance600u00b0C
Minimum Distance To Combustible Materials450mm
Ensure that the MI-VIT Lite Reducer is installed by a qualified technician. It must be fixed in a position that is at least 450mm away from any combustible material and should never be used through ceilings or combustible walls. For optimal performance and ease of maintenance, install access doors at any directional changes. If the reducer is cut to size during installation, remember to cover any exposed steel with high-temperature paint to prevent rust. In positive pressure applications, apply seals at every friction fit joint to maintain a secure connection.

Yes, it is suitable for gas, oil, and solid fuel appliances, capable of withstanding temperatures up to 600°C.

No, for T600 high-temperature installations, the MI-VIT Lite uses a friction fit joint that does not require sealing.

The MI-VIT Lite should be installed at least 450mm away from any combustible materials like wood or plasterboards.

Yes, the MI-VIT Lite is designed to be cut, but it is essential to cover any exposed steel with high-temperature paint to prevent rust.

Chimneys serving solid fuel appliances should be swept and maintained at least once a year, or more frequently if necessary.

Yes, to facilitate regular inspection and cleaning, especially for solid fuel applications, it is recommended to install access doors at changes of direction.

Appropriate Personal Protective Equipment (PPE) should be worn at all times during installation to ensure safety.

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