MI-VIT Lite - Increaser - Ø 150-175mm
At a Glance
- Designed for gas, oil, and solid fuel appliances
- Crafted from zero carbon steel with a durable powder enamel finish
- Handles temperatures up to 600°C
- Complies with EN1856-2 T600 standards
- Provides a secure connection between appliance and flue system

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.
- Operational Efficiency: We have streamlined processes to reduce overhead.
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]
- Info
- Specs
- Install
- FAQs
The MI-VIT Lite Increaser Ø 150-175mm by National Flues is an essential component for your heating system, designed to connect gas, oil, and solid fuel appliances with temperatures up to 600°C to your chimney or flue liner. Crafted from zero carbon steel with a durable vitreous enamel coating in a sleek matt black finish, this single skin pipe is the epitome of durability and style. It’s crucial for roles where high temperatures are involved, making it versatile for various heating applications.
Note that it is designed strictly as a connecting pipe and should not be used to pass through ceilings or combustible walls. Installation is straightforward, requiring no sealants for high-temperature use, but remember to fit seals for P1 pressure-rated applications. Proper installation is essential to ensure that condensates remain within the flue system.
Regular maintenance, including sweeping and inspections, is recommended, especially for solid fuel applications, to ensure safety and efficiency. The MI-VIT Lite Increaser is a reliable, robust, and economically efficient choice for your heating needs.
SKU: 27-150-008
Technical Specifications | |
---|---|
SKU | 27-150-008 |
Material | Zero Carbon Steel |
Steel Thickness | 0.7mm |
Coating | Powder Enamel |
Coating Thickness | 0.3mm |
Colour | Matt Black |
Approval | EN1856-2 T600 N1 Vm L8010 G450 |
Distance To Combustible | 450mm |
Size | u00d8 150-175mm |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, April 3rd. If you need faster stove or fireplace delivery please give us a call. We can often 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. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.
Price Match Guarantee +
We will match any price like for like. If you find it cheaper within 48 hours, we'll refund the difference.
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National Flues Ltd Verdict
The MI-VIT Lite Increaser Ø 150-175mm is an exceptional product for connecting various appliances to your flue system. Its durability and efficiency make it a top choice for both retail and trade customers. Rarely beaten on price and supported by our reliable nationwide delivery.
The MI-VIT Lite Increaser Ø 150-175mm is designed to connect heating appliances, including gas, oil, and solid fuel systems, to your existing flue liner or chimney stack.
National Flues is a leading supplier of high-quality fireplaces and flue systems in the UK, known for competitive pricing, reliable delivery, and exceptional customer service for both retail and trade customers.
