90° Reducing Tee Ø 150
At a Glance
- Robust 90° reducing design for cascade boiler systems
- Dual stainless steel construction: 304 outer & 316 inner (0.40mm thick)
- Compressed rockwool insulation (200kg/m3) for optimal thermal efficiency
- HETAS and CE Approved for peace of mind
- 50mm clearance from combustibles ensures safety
- Engineered for multiple fuel types including wood, oil, gas and low sulphur coal

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.
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 90° Reducing Tee Ø 150 is an indispensable component for your chimney flue system, designed to expertly manage solid fuel and gas/oil appliances. Perfect for woodstoves, gas coal effect fires, and oil and gas boilers, this tee seamlessly integrates with diverse heating solutions. Manufactured with high-grade 304 stainless steel for the outer skin and 316 stainless steel for the inner skin, both at 0.4mm thickness, it ensures superior durability and resistance to corrosion.
The tee also features compressed rockwool insulation with a density of 200kg/m3, ensuring excellent thermal efficiency and safety. Fully welded seams and a minimum distance requirement of 50mm from combustibles demonstrate its design prioritises safety and performance. The TWPro system, recognised by HETAS and CE marked, adheres to rigorous standards, boasting the designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20.
Installation is straightforward with a Locking Band, ensuring secure connections throughout.
SKU: 2-150-040
Technical Specifications | |
---|---|
SKU | 2-150-040 |
Product Name | 90u00b0 Reducing Tee u00d8 150 |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Inner Material | 316 Stainless Steel (0.40mm thick) |
Insulation | Compressed Rockwool, 200kg/m3 |
Certifications | HETAS / CE, EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20 |
Minimum Distance To Combustibles | 50mm |
Applications | Cascade boiler systems, woodstoves, gas coal effect fires, oil and gas boilers |
Design | 90u00b0 reducing tee; branch diameter specified per system requirements |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. 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
National Flues highly recommends the 90° Reducing Tee Ø 150 for its robust construction, versatility, and compliance with industry standards. We deliver nationwide and cater to both retail and trade customers.
This 90° reducing tee is designed for use in cascade boiler systems and various heating appliances, helping to effectively channel exhaust gases.
National Flues is a leading UK supplier of fireplaces and flues, known for competitive pricing, reliable delivery, and comprehensive service for retail and trade customers.
