TWPro GREY - 135° Tee - Ø 125
At a Glance
- - Precision engineered for optimal cleaning access
- - Constructed with durable 304 and 316 grade stainless steel
- - High-density rockwool insulation ensures superior thermal performance
- - HETAS approved and CE marked for top safety standards
- - Compatible with a range of fuel types: 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 TWPro GREY 135° Tee - Ø 125mm is specifically engineered for use with solid fuel and gas/oil appliances, such as wood stoves, gas coal effect fires, and oil and gas boilers. Constructed with top-grade materials, this tee features an outer skin made of 304-grade stainless steel and an inner skin of 316-grade stainless steel, both 0.4mm thick. The insulation is high-density compressed rockwool with a density of 200kg/m³, ensuring superior thermal protection.
Fully welded parts guarantee maximum durability and a distance of 50mm from combustibles adds an extra layer of safety.Certified with HETAS approval and CE marked, this tee's designation numbers (EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20) affirm its stellar safety and performance credentials. During installation, the parts can be easily secured with a locking band. Just ensure a 50mm clearance from any combustible material like wood or plasterboard for optimal safety.
SKU: 17-125-034
Technical Specifications | |
---|---|
Model | TWPro GREY 135u00b0 Tee - u00d8125 |
Outer Material | 304-grade Stainless Steel, 0.4mm thick |
Inner Material | 316-grade Stainless Steel, 0.4mm thick |
Insulation | High-density Compressed Rockwool (200kg/mu00b3) |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal |
Approvals | HETAS / CE marked |
Safety Clearance | 50mm to combustibles |
Designation | EN1856-1 T600 N1 W V2 L50040 G50; EN1856-1 T200 W V2 L50040 O20 |
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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The TWPro GREY 135° Tee is an exceptional component in your chimney setup, renowned for its durability and efficiency. It is HETAS approved and CE marked, ensuring top safety standards. With reliable nationwide delivery, National Flues caters to both retail and trade customers. We rarely get beaten on price - a top choice for all your flue needs!
The TWPro GREY 135° Tee - Ø 125mm is designed to provide cleaning access at the base of a chimney, installed first on the external wall to facilitate maintenance and ensure efficient flue gas flow.
National Flues is a leading supplier of high-quality fireplaces and flues across the UK, offering unrivaled pricing, reliable delivery, and excellent customer service to both retail and trade customers.
