Free Delivery over £100+ 5on Trustpilot Browse our popular stoves Fast Mainland UK Delivery Buy stoves with install packs Call 01670 206 999 for help

TWPro MB - Insulation Cover Plate - Ø 125 (37-125-104)

National Flues presents the TWPro MB Insulation Cover Plate Ø 125, an ideal accessory for solid fuel, oil and gas appliances. This premium insulation cover plate, designed to integrate seamlessly with TWPro chimney systems, offers durable construction and advanced thermal properties. Read more...
TWPro MB - Insulation Cover Plate - Ø 125
IN STOCK
Product Thumbnail
Now only £20.99
Give us a call if you find it cheaper and we'll normally price match.
  • Fast deliveryMonday, November 17th*
  • Best PriceCall us to beat any price you found online.
  • Secure checkoutCard· Google/Apple Pay· Klarna· Paypal

 

Payment Options

At a Glance

  • Durable 0.4mm stainless steel construction (inner 316L, outer 304 with high-temperature black finish)
  • Compressed rockwool insulation (200kg/m3) for enhanced thermal efficiency
  • HETAS approved and CE marked for trusted safety compliance
  • Compatible with solid fuel and gas/oil appliances including woodstoves, gas coal-effect fires, oil and gas boilers
  • Supplied locking band for secure and straightforward installation
  • Designed specifically for integration with third-party terminals

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

The TWPro MB Insulation Cover Plate Ø 125 is specifically designed for use with solid fuel and gas/oil appliances, including woodstoves, gas coal-effect fires, oil boilers, and gas boilers. Constructed from high-quality materials, the outer skin is made from 0.4mm-thick 304 stainless steel, coated with a high-temperature black finish for unparalleled durability. The inner skin, also 0.4mm thick, is crafted from 316 grade stainless steel, providing excellent heat resistance and longevity.

The insulation layer is made from compressed rockwool with a density of 200kg/m3, ensuring optimal thermal efficiency. All components are fully welded for maximum strength and integrity.The TWPro MB insulation cover plate is HETAS approved and CE marked, meeting the highest safety standards. It carries the designation numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.

Installation is straightforward, with parts secured using a supplied locking band. The required distance from combustibles is 50mm, ensuring safe operation. This cover plate is essential when using a third-party terminal, although responsibility for fixing the terminal to the TWPro system lies with the installer.

SKU: 37-125-104

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.

This is us — real advice over the phone, or at the counter, and real stock in our warehouse.

Customer being served at the National Flues trade counter
Trade counter Installer collection & same-day help.
Team helping customers at the counter
Advice Real people on the phone to spec the right parts.
Friendly member of the team at the front desk
Here to help Friendly, straight answers from HETAS approved experts.
Warehouse shelves with boxed flue components being picked for dispatch
Warehouse Orders picked & dispatched nationwide.
Talk to the team Visit our trade counter
Technical Specifications
SKU37-125-104
SizeØ 125
Inner Material316L Stainless Steel, 0.40mm
Outer Material304 Stainless Steel with high temperature black coating, 0.40mm
InsulationCompressed rockwool, 200kg/m3
ApprovalsHETAS / CE
DesignationEN1856-1 T600 N1 W V2 L50040 G50 ; EN1856-1 T200 P1 W V2 L50040 O20
InstallationSecured with supplied locking band, maintain 50mm distance from combustibles
Fuel CompatibilityWood, Oil, Gas, Low sulphur coal
Ensure that you mount the insulation cover plate on a stable, level surface with a clear 50mm clearance from any combustible materials, such as wood or plasterboard. Use the supplied locking band to secure the components firmly. When integrating the cover plate with third-party terminals, please note that fixing the terminal to the TWPro system is the installer’s responsibility. Always follow the manufacturer’s guidelines and safety instructions during installation to ensure a secure and compliant setup.

It's compatible with solid fuel and gas/oil appliances such as woodstoves, gas coal-effect fires, oil boilers, and gas boilers.

The outer skin is made from 0.4mm 304 stainless steel with a high-temperature black finish, while the inner skin is 0.4mm 316 grade stainless steel. The insulation is made from compressed rockwool with a density of 200kg/m3.

Yes, it is HETAS approved and CE marked with designation numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.

The required distance is 50mm from the outside of the flue to any combustible material such as wood or plasterboard.

The parts are secured together using a supplied locking band.

While the cover plate is designed for use with third-party terminals, the responsibility for fixing the terminal to the TWPro system lies with the installer.

Both the inner and outer skins are made from 0.4mm thick stainless steel.

 

Call the Experts   8am-5pm
👀 5 people watching this