Adjustable Base Support Ø 125
At a Glance
- Secure vertical chimney support Compatible with woodstoves, gas coal effect fires, oil and gas boilers Constructed in robust 304 and 316-grade stainless steel Adjustable installation range from 50mm to 80mm HETAS approved and CE marked for 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.
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 Adjustable Base Support Ø 125 is designed to provide secure vertical support for your chimney, whether installed internally or externally. Suitable for solid fuel and gas/oil appliances, such as woodstoves, gas coal effect fires, and oil and gas boilers, this versatile support is a must-have for stable chimney installation.Constructed with robust 304-grade stainless steel on the outer layer and 316-grade stainless steel on the inner layer, both 0.4mm thick, it promises exceptional durability. The insulation is made from compressed rockwool with a density of 200kg/m3, ensuring excellent heat resistance.The support allows for a small leveling adjustment from 50mm to 80mm from the wall surface, giving you the flexibility needed for precise installation.
It is crucial to maintain a 50mm distance to combustible materials, ensuring safety. Our Adjustable Base Supports are HETAS approved and CE marked, with designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20.Installation is swift and secure, thanks to the locking band that holds TWPro Twin Wall Insulated Chimney parts together. Trust in National Flues for unbeatable quality and nationwide delivery.
SKU: 2-125-060
Technical Specifications | |
---|---|
Model | Adjustable Base Support u00d8 125 |
SKU | 2-125-060 |
Approval | HETAS approved, CE marked |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Inner Material | 316 Stainless Steel (0.40mm thick) |
Insulation | Compressed Rockwool (200kg/mu00b3) |
Adjustment Range | 50mm to 80mm from wall surface |
Distance To Combustibles | 50mm |
Maximum Load Support Distance | 12 metres |
System | TWPro |
Standards | 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 Friday, April 4th. 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 Adjustable Base Support Ø 125 is a standout choice for securing your chimney. It combines durability with flexibility, offering exceptional performance for both retail and trade customers. As always, National Flues ensures reliable delivery across the UK.
The Adjustable Base Support Ø 125 is used for providing vertical support to chimneys, making them stable and secure for various appliances.
National Flues is a leading supplier of fireplaces and flues in the UK, dedicated to offering high-quality products at unbeatable prices with reliable nationwide delivery. Serving both retail and trade customers, we are known for our exceptional customer service and extensive industry expertise.
