TWPro MB - Tee Cap - Ø 100
At a Glance
- - Dual-layer construction: 316L inner and 304 outer stainless steel with high-temperature black coating
- - Superior thermal insulation: Compressed rockwool with a density of 200kg/m³
- - HETAS approved and CE marked for reliable safety and performance
- - Easy installation with a secure Locking Band for a snug fit
- - Versatile use: Compatible with solid fuel, woodstoves, gas and oil appliances

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: sales@nationalflues.com
- Info
- Specs
- Install
- FAQs
The TWPro MB Tee Cap Ø 100 is expertly engineered to cap off the bottom or unused end of a 90/135 Tee. This highly versatile component is suitable for solid fuel and gas/oil appliances including woodstoves, gas coal-effect fires, oil boilers, and gas boilers. Boasting dual stainless steel construction, the outer layer consists of 304 stainless steel with a durable, high-temperature black finish, while the inner layer uses robust 316-grade stainless steel.
The flue is fully insulated with compressed rockwool, ensuring a density of 200kg/m³ which provides maximum safety and efficiency with a 50mm distance to combustibles. This product is HETAS approved and CE marked, conforming to EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20 standards. Installation is straightforward with the provided Locking Band, ensuring a secure fit.
The tee cap also allows easy access for chimney sweeping and maintenance, making it an essential for any chimney system.
SKU: 37-100-036
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.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The TWPro MB Tee Cap Ø 100 is a fantastic addition to any chimney setup. With reliable construction and HETAS approval, it's perfect for both retail and trade customers. National Flues delivers nationwide with unbeatable prices.
The TWPro MB Tee Cap Ø 100 is primarily used to cap off the bottom or unused end of a chimney Tee, ensuring safety and easy access for maintenance.
National Flues is a leading supplier of high-quality fireplaces and flues throughout the UK, catering to both retail and trade customers with reliable delivery and competitive pricing.
