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TWPro MB - Retro Fit Base Support - Ø 125 (58-125-160)

National Flues proudly presents the TWPro MB Retro Fit Base Support – a versatile, adjustable, and robust solution for 125mm flue systems. Ideal for solid fuel and gas/oil appliances including woodstoves, fire effect units, and boilers, this base support combines high-grade stainless steel with efficient thermal insulation. Read more...
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At a Glance

  • Adjustable support from 0mm to 120mm from the wall
  • Compatible with 90° and 135° tees
  • Constructed with 304 and 316L stainless steel
  • Suitable for wood, oil, gas, and low sulphur coal appliances
  • HETAS approved and CE marked for quality and safety

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

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Have Questions?
Phone: 01670 206999
Email: sales@nationalflues.com

The TWPro MB - Retro Fit Base Support - Ø 125 is a crucial component for your chimney system, specifically engineered for solid fuel and gas/oil appliances like woodstoves, gas coal effect fires, and boilers. Constructed with a 304 grade stainless steel outer skin and a 316 grade stainless steel inner skin, both 0.4mm thick, it promises unparalleled durability. The insulation is made of compressed rockwool, ensuring optimum thermal performance with densities of 200kg/m3 for TWPro and 128kg/m3 for KC.

This product is HETAS Approved and CE marked, guaranteeing its quality and safety. The TWPro model can withstand temperatures up to T600, making it suitable for the most demanding applications. Installation is straightforward with the use of a locking band, and the base support is adjustable from 0mm to 120mm from the wall, making it adaptable for various setups.

Ideal for both intermediate supports on longer flue runs and retrofitting, it supports up to 10m of chimney for single or double-storey homes.

SKU: 58-125-160

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

Technical Specifications
SKU58-125-160
Diameter125mm
Material Outer304 Stainless Steel - 0.40mm thick
Material Inner316L Stainless Steel - 0.40mm thick
InsulationCompressed Rockwool (200kg/m3 for TWPro, 128kg/m3 for KC)
Temperature RatingUp to T600
Adjustability0mm to 120mm from the wall
ApprovalHETAS / CE
Max Chimney Support10m above the tee
When installing the TWPro MB Retro Fit Base Support, ensure you use the recommended fixings and follow the manufacturer’s guidelines rigorously. Begin by positioning the base support at the desired distance from the wall (between 0mm and 120mm) to suit your installation requirements. Secure the assembly using the locking band provided, ensuring the joining of the twin wall insulated chimney components is firm. Special care should be taken to observe the necessary clearance from combustible materials such as wood or plasterboard, adhering to the 50mm (TWPro) or 60mm (KC) safety distances. For added security, verify that each connection is tight and that the overall structure is stable before proceeding to connect further flue components.

It’s suitable for solid fuel and gas/oil appliances including woodstoves, gas coal effect fires, and boilers.

The base support is designed for Ø 125mm flue systems and is adjustable from 0mm to 120mm from the wall.

Yes, the TWPro MB Retro Fit Base Support is HETAS approved and CE marked, ensuring it meets UK safety standards.

Yes, it can be used as a load-bearing intermediate support on longer flue runs and is capable of supporting up to 10m of chimney immediately above the tee.

It is installed using a locking band to secure twin wall insulated chimney parts together, ensuring proper distance from combustibles such as wood or plasterboard.

The outer skin is made from 304 grade stainless steel, the inner skin is made from 316 grade stainless steel, and the insulation is compressed rockwool.

Only recommended fixings should be used for installation to ensure stability and safety. Please follow the manufacturer’s guidelines.

 

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