× National Flues
A Market Leader in Fires and Flues.
Free Delivery on Orders Over £100
100% 5 Star Reviews on Trustpilot
Free Flue Design Service Available
Need Help? 01670 206999 (8am-5pm)

Adjustable base support from 50 to 80 mm - Ø 550 (3-550-060)

National Flues presents the Adjustable Base Support from 50 to 80 mm - Ø 550, a robust solution designed to deliver dependable vertical support for your chimney systems. Ideal for both internal and external installations, this high-quality support system is crafted from premium 316L stainless steel and complies with EN 1856-1 standards. Whether you require support for a boiler, oven, or ventilation system, our adjustable base support ensures safety, durability, and a flawless installation every time.
£932.43
with free delivery Give us a call if you find it cheaper and we'll try to price match.

 

Payment Options

At a Glance

    Adjustable range of 50mm to 80mm from the wall surface
    Constructed from high-grade 316L stainless steel for durability
    CE marked and compliant with EN 1856-1 standards
    Suitable for both non-condensing and condensing applications
    Versatile use in boilers, ovens, and ventilation systems
    Secure push-fit jointing and locking band system
    Maintains safe 50mm clearance from combustible materials

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 Adjustable base support from 50 to 80 mm - Ø 550 is designed to offer exceptional vertical support for chimneys, be it for internal or external installations. Crafted from high-grade 316L stainless steel, this base support ensures durability and reliability. The modular single-wall flue system, SWPro, features a high-pressure sealing gasket P1/H1, making it suitable for a range of applications including boilers, ovens, and ventilation systems.

It's compatible with both non-condensing and condensing applications, accommodating positive and negative pressure flue gases effortlessly. Each connection is secured with a push-fit jointing system and locking band, and for P1 and H1 installations, jointing gaskets are essential. Ensure a safe 50mm clearance from any combustible material for optimal safety.

CE marked and adhering to EN 1856-1 standards, this adjustable base support provides an easy 50mm to 80mm levelling adjustment from the wall surface, making installation straightforward and secure.

SKU: 3-550-060

Technical Specifications
Material316L Stainless Steel
Adjustable Range50mm to 80mm from wall
Diameteru00d8 550
StandardsEN 1856-1, CE marked
SystemSWPro
ApplicationsHigh & low-temperature, boilers, ovens, ventilation systems
Clearance50mm from combustible materials
Warranty10 Years
For a secure installation, first ensure that you use the recommended fixings to anchor the base support firmly to the building surface. Always maintain a minimum 50mm clearance from any combustible material. Install all jointing gaskets on every P1 and H1 connection to ensure a safe, leak-free fit. Follow the push-fit joint and locking band instructions carefully, and if unsure, consult a professional installer to verify that all connections are tight and secure.

The Adjustable Base Support is made from high-grade 316L stainless steel, ensuring durability and long-lasting use.

The SWPro system is versatile and can be used for a variety of applications, including boilers, ovens, ventilation systems, and as a chimney shaft liner.

The SWPro system is suitable for both high and low-temperature applications.

Yes, jointing gaskets must be fitted on every joint in P1 and H1 installations to ensure a secure fit.

It is essential to maintain a distance of 50mm from the outside of the flue to any combustible material, such as wood or plasterboard.

Yes, the Adjustable Base Support is CE marked and meets the EN 1856-1 standards.

The SWPro system has a diameter range from Ø 80mm up to Ø 400mm, depending on the specific application and designation number.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, May 13th. Delivery times of products not in our warehouses depend on product availability and shipping. If you need a definitive delivery time give us a call. If you need faster stove or fireplace delivery please also 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. 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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our Adjustable base support from 50 to 80 mm - Ø 550 buyers guide

Ensure your chimney is safely supported - add to cart or call us today!

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal
Click to Call Our Experts