👀 8 people are viewing this product
× National Flues
Free Delivery on Orders £100+
100% 5* reviewed on Trustpilot
Free stove flue design service
Delivery to mainland UK
Call for help on 01670 206999

TWPro MB - Tee Cap with Drain - Ø 100 (37-100-037)

National Flues introduces the TWPro MB Tee Cap with Drain (Ø 100), a high-performance flue accessory engineered for solid fuel, gas, and oil appliances. This premium component delivers exceptional durability, safety, and efficiency, making it a must-have for any advanced chimney flue system. Enhance your installation with this reliable and innovative solution, perfect for both domestic and trade customers seeking superior quality and performance.
The price you pay today £42.99
Give us a call if you find it cheaper and we'll normally price match.

 

Payment Options

At a Glance

    Superior 304 stainless steel outer skin with high-temp black finish
    Durable 316L stainless steel inner layer combined with 0.40mm thickness
    Insulated with high-density compressed rockwool (200 kg/m³) for enhanced thermal retention
    Integrated 10mm threaded drain for efficient condensate removal
    HETAS Approved and CE marked, ensuring compliance and safety
    Designed for effortless installation on 90°/135° Tee configurations
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. 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, on a retail basis. Give us a call if you find it cheaper and want to buy from us.

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]

The TWPro MB Tee Cap with Drain (Ø 100) is engineered for use on solid fuel and gas/oil appliances including woodstoves, gas coal effect fires, oil boilers, and gas boilers. Constructed with a 304 stainless steel outer skin coated in a high-temperature black finish, and a 316 grade stainless steel inner skin, both 0.4mm thick. Insulated with compressed rockwool (density 200kg/m³) and fully welded components ensure durability and safety.

The distance to combustibles is 50mm. This HETAS Approved and CE marked product meets designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20. Installation is straightforward with a supplied Locking Band, maintaining a 50mm distance from combustibles such as wood or plasterboard.

Ideal for capping off the bottom or unused end of a 90 or 135 Tee, it also allows for easy sweeping and drainage with its 10mm threaded drain for condense removal.

SKU: 37-100-037

Technical Specifications
SKU37-100-037
Dimensionsu00d8 100mm Tee Cap, designed for 90u00b0/135u00b0 configurations
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel (0.40mm thick with high-temp black coating)
InsulationCompressed Rockwool (200 kg/mu00b3)
Drain10mm threaded drain for efficient condensate removal
ApprovalsHETAS Approved, CE marked
Distance To Combustibles50mm
Design StandardsEN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20
Installation is straightforward. Begin by ensuring the flue system is thoroughly cleaned and free of debris. Position the TWPro MB Tee Cap at the bottom or unused end of your 90° or 135° Tee, taking care to maintain a minimum clearance of 50mm from all combustible materials. Secure the cap using the supplied Locking Band and, if necessary, attach an optional drain pipe to the 10mm threaded drain to manage condensate effectively. **Important:** Always review local building regulations and follow manufacturer guidelines to ensure a safe and compliant installation.

This product is suitable for solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, oil boilers, and gas boilers.

It features a 304 stainless steel outer skin with a high-temperature black finish, a 316 grade stainless steel inner skin, both 0.4mm thick, and is insulated with compressed rockwool.

Yes, this product is HETAS Approved and CE marked, conforming to the relevant EN1856-1 designations.

Installation involves securing the cap with a supplied Locking Band, ensuring it's placed 50mm away from any combustible materials like wood or plasterboard.

A gap of 50mm should be maintained from the outer surface of the flue to any combustible material.

Yes, it comes with a 10mm threaded drain that allows for the attachment of a drain pipe to carry away excess condense from the flue system.

The durable design includes fully welded parts and high-quality materials such as 316 grade stainless steel for the inner skin and 304 stainless steel for the outer skin, along with high-density compressed rockwool insulation.

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal