TWPro MB - 90° Tee - Ø 175
At a Glance
- Robust 90° tee design for secure rear outlet flue connections
- Inner 316L stainless steel and outer 304 stainless steel with high-temperature black coating
- Packed with compressed rockwool insulation (200kg/m³) for superior thermal efficiency
- Fully welded construction ensuring long-lasting durability
- HETAS approved and CE marked, meeting stringent European standards

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 TWPro MB - 90° Tee - Ø 175 is expertly designed for use with solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, oil boilers, and gas boilers. Constructed with durability in mind, the outer skin is made from 304-grade stainless steel with a 0.4mm thickness, finished in a high-temperature black coating. The inner skin comprises 316-grade stainless steel, also 0.4mm thick, ensuring longevity.
Packed with compressed rockwool insulation at a density of 200kg/m3, this tee offers excellent thermal resistance. Fully welded for additional strength, the distance to combustibles is kept at a safe 50mm. The TWPro range is HETAS approved and CE marked, meeting European standards EN1856-1 T600 N1 W V2 L50040 G50 and T200 P1 W V2 L50040 O20.
Installation is straightforward, secured with a supplied Locking Band, ensuring ease of use.
SKU: 37-175-035
Technical Specifications | |
---|---|
Material Inner | 316L Stainless Steel, 0.40mm thick |
Material Outer | 304 Stainless Steel, 0.40mm thick with High Temperature Black Coating |
Insulation | Compressed Rockwool, 200kg/m³ |
Approval | HETAS / CE |
Standards | EN1856-1 T600 N1 W V2 L50040 G50, T200 P1 W V2 L50040 O20 |
Distance To Combustibles | 50mm |
Dimensions | Ø 175, 90° Tee |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 8th. 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 TWPro MB - 90° Tee - Ø 175 is a top-notch choice for any installation requiring a reliable and robust chimney flue tee. With quality construction and approval by HETAS, it's perfect for solid fuel and gas/oil appliances. And with National Flues’ dependable nationwide delivery and support for both retail and trade customers, you can’t go wrong!
The TWPro MB - 90° Tee - Ø 175 is used for connecting flues to the rear outlet of solid fuel and gas appliances.
TWPro is renowned for producing high-quality twin wall insulated chimney systems that comply with stringent safety and performance standards.
