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Horizontal end - Ø 250 (3-250-113)

Discover the exceptional quality of the National Flues SWPro 250mm Ø Horizontal End Terminal, a vital component for modern flue systems including chimney liners, boiler terminals, and oven exhaust solutions. Designed from 316L stainless steel, this horizontally oriented terminal guarantees reliable performance while withstanding both extreme temperatures and pressure variations. Perfect for both residential and commercial applications, the SWPro series is a benchmark in safety and efficiency. Complement your installation with the optional accessories available through our comprehensive inventory to ensure every component meets your high standards.
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At a Glance

    Constructed from high-grade 316L stainless steel for superior durability

    CE marked and compliant with EN 1856-1 standards

    Designed for a wide range of applications including boilers, ovens, ventilation systems, and chimney liners

    Features a user-friendly push-fit jointing system with a secure Locking Band

    Engineered for both high and low temperature applications and pressure conditions

    Minimum 50mm clearance required from combustible materials

    Compatible with optional accessories such as jointing gaskets for P1 and H1 installations

Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 8th. This is based on current lead times for this product. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

Best 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.

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 SWPro 250mm Ø Horizontal End Terminal is a versatile and robust component of the SWPro modular single-wall flue system. Made from high-grade 316L stainless steel, this terminal is built to withstand both high and low temperatures, as well as positive and negative pressures. It's suitable for a wide range of applications including boilers, ovens, ventilation systems, and chimney liners.

The SWPro system is CE marked and constructed to meet EN 1856-1 standards, ensuring exceptional quality and safety. Installation is straightforward with its push-fit jointing system, which is secured using a Locking Band. For P1 and H1 installations, jointing gaskets are required to maintain airtightness.

Always ensure a 50mm gap from combustible materials such as wood or plasterboard.

SKU: 3-250-113

Technical Specifications
SKU3-250-113
ModelHorizontal End Terminal - u00d8 250
Inner Material316L Stainless Steel
Outer MaterialN/A
StandardsEN 1856-1: T200 H1 W Vm L50040 O(50) - u00d8 80 up to u00d8 200; EN 1856-1: T200 H1 W Vm L50050 O(50) - u00d8 250 up to u00d8 400
ApprovalsCE
FuelsGas, Oil
Warranty10 Years
Installation FeaturesPush-fit jointing, Locking Band, jointing gaskets required for P1 and H1 installations
Minimum Clearance50mm from combustible materials
• Before installation, verify that all components are clean and undamaged. • Use the push-fit jointing system to connect the Horizontal End Terminal securely. • Ensure the Locking Band is correctly positioned to reinforce the joint. • For P1 and H1 installations, incorporate the appropriate jointing gaskets to guarantee an airtight seal. • Always maintain a minimum of 50mm clearance from any combustible material such as wood or plasterboard. • If additional accessories are required, please refer to our accessory range to complement your installation.

The terminal is made from high-grade 316L stainless steel, known for its durability and resistance to corrosion.

It's used as a terminal point in flue systems for boilers, ovens, ventilation systems, and as a chimney liner.

Yes, the SWPro system, including the Horizontal End Terminal, is CE marked and meets the EN 1856-1 standards.

The terminal is installed using a push-fit jointing system that is secured with a Locking Band. Jointing gaskets are required for P1 and H1 installations.

Ensure a minimum distance of 50mm from any combustible materials like wood or plasterboard.

Yes, this terminal is suitable for both high and low-temperature applications, as well as for positive and negative pressure systems.

You can purchase this product securely online at National Flues, where we offer reliable delivery nationwide.

What our experts say!

"The Horizontal End Terminal Ø 250 is a top-tier solution in our SWPro flue system range. Crafted from 316L stainless steel, it promises durability and high performance for various applications, including boilers, ovens, and ventilation systems. With our nationwide delivery and competitive pricing for both retail and trade customers, it's a great choice."

The SWPro 250mm Ø Horizontal End Terminal is designed for use in modular single-wall flue systems, accommodating various applications such as boilers, ovens, ventilation systems, and chimneys.

National Flues is a leading supplier of high-quality fireplaces and flues, serving both retail and trade customers across the UK with exceptional prices and reliable delivery.

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