IL - Support Plate - Ø 125
At a Glance
- - High-quality twin wall support plate engineered for gas vent systems
- - Robust aluminium liner with zalutite outer coating for corrosion protection
- - Suitable for naturally aspirated gas-fired appliances with draught hood/diverter
- - Operates efficiently under negative pressure and flue gas temperatures up to 250°C
- - Versatile installation for both internal and external applications
- - Secure push fit and twist lock joint method ensuring reliable stability
- - Comes with a 5-year conditional warranty for peace of mind

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 IL Support Plate - Ø 125 is an integral part of the acclaimed twin wall insulated gas vent system that has been trusted in UK homes for over 25 years. This support plate, essential for maintaining structural stability in twin wall gas vents, is designed for naturally aspirated domestic gas-fired appliances featuring a draught hood/diverter. It operates under negative pressure and dry conditions, optimal for flue gas temperatures up to 250°C.Available in three diameter sizes: 100mm, 125mm, and 150mm, the IL system showcases an aluminium liner encased in a zalutite outer shell, separated by a 6mm air gap.
This design ensures both internal and external application viability. However, it is not suitable for condensing systems or applications requiring positive pressure.
SKU: 24-125-50
Technical Specifications | |
---|---|
SKU | 24-125-50 |
Diameter | u00d8 125mm |
Inner Material | Aluminium |
Outer Material | Zalutite (zinc and aluminium coated steel) |
Gas Temperatures | Up to 250u00b0C |
Distance To Combustibles | 50mm (2 Inches) |
Approvals | CE, BS EN 9001:2008 |
Joint Method | Push fit and twist lock |
Warranty | 5-year conditional |
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 IL Support Plate - Ø 125 is another excellent product in our range, known for its quality and reliability. Perfect for both retail and trade customers, we ensure your order is delivered promptly nationwide.
The IL Support Plate - Ø 125 is used to securely support gas vents at floor penetrations in twin wall insulated gas vent systems.
National Flues is a leading supplier of high-quality fireplaces and flues, serving both retail and trade customers across the UK. Known for exceptional prices and reliable delivery, we provide comprehensive solutions for all your fireplace and flue needs.
