MI-VIT Lite - Increaser - Ø 125-150mm
At a Glance
- - Zero Carbon Steel Construction
- - Durable Powder Enamel Coating
- - Sleek Matt Black Finish
- - Suitable for Gas, Oil, and Solid Fuel Appliances
- - Temperature Tolerance up to 600°C
- - Friction Fit Joints with optional sealing for P1 applications
- - Compliant with EN1856-2 T600 N1 standards

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 125-150mm is a premium-grade connecting pipe designed to link your heating appliance to your flue liner, chimney stack, or twin wall flue system. Crafted from zero carbon steel and coated with a durable vitreous enamel in a sleek matte black finish, it is suitable for gas, oil, and solid fuel appliances with temperatures up to 600 degrees Celsius. This increaser enables a seamless transition within your flue system, ensuring smooth airflow and optimal performance.**Construction & Features:**- **Material:** Made from single-skin zero carbon steel with a vitreous enamel coating.- **Finish:** Matte black finish for a sleek look and long-lasting durability.- **Temperature Tolerance:** Suitable for appliances with temperatures up to 600°C.
Achieves a P1 pressure rating up to 200°C when fitted with a seal.**Installation Guidelines:**- **Proximity to Combustibles:** Do not install within 375mm of combustible materials such as wood or plasterboard.- **Orientation:** Ensure the smaller diameter points downward to contain condensates within the flue system.- **Joint Sealing:** Friction fit joints do not require seals for T600 installations; however, for pellet installations (P1 applications), seals must be applied to every joint.- **Cutting:** The pipe can be cut but be sure to cover exposed steel with high-temperature paint to prevent rust.- **Safety:** Always use appropriate PPE during installation.**Maintenance:**- **Inspection & Cleaning:** Regular inspections and cleaning are crucial, especially for solid fuel applications. It's recommended to install access doors at direction changes to facilitate maintenance.- **Frequency:** For solid fuel appliances, sweep and maintain the chimney at least once a year or as frequently as necessary.
SKU: 27-125-008
Technical Specifications | |
---|---|
SKU | 27-125-008 |
Diameter | u00d8 125-150mm |
Material | Zero Carbon Steel |
Coating | Powder Enamel |
Coating Thickness | 0.3mm |
Steel Thickness | 0.7mm |
Colour | Matt Black |
Temperature Tolerance | Up to 600u00b0C |
Approval | EN1856-2 T600 N1 Vm L8010 G375 |
Minimum Clearance To Combustibles | 375mm |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 2nd. 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 125-150mm is a robust, high-quality connecting pipe perfect for a range of heating appliances. With reliable nationwide delivery and affordable pricing, it's an excellent choice for both retail and trade customers.
The MI-VIT Lite Increaser Ø 125-150mm is designed to connect heating appliances to flue liners, chimney stacks, or twin wall flue systems, ensuring seamless airflow and optimal performance.
National Flues is a leading UK supplier of high-quality fireplaces and flues, offering reliable, competitively priced products with dependable nationwide delivery. Serving both retail and trade customers, National Flues is committed to excellence.
