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Inspection Tee - Ø 450 (3-450-135)

Discover the Inspection Tee - Ø 450 by National Flues, a premium addition to any SWPro modular flue system. Crafted from high-grade 316L stainless steel and designed to meet EN 1856-1 standards, this inspection tee offers superior durability, ensuring reliable performance in both high and low temperature environments. Perfect for industrial and commercial applications such as boilers, ovens, and ventilation systems, it is an essential component for any efficient flue system. Enhance your installation with this robust accessory, engineered to provide optimum safety and efficiency.
Now only £739.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.

 

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At a Glance

    316L Stainless Steel construction for exceptional durability

    Complies with EN 1856-1 standards and is CE marked

    Suitable for both high and low temperature applications

    Designed for versatile use in boilers, ovens, ventilation systems and chimney shafts

    Easy push-fit jointing system with a secure locking band

Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, August 5th. 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.

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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.

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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.
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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 Inspection Tee - Ø 450 is an integral part of our SWPro Modular Single Wall Flue System. Engineered from high-grade 316L stainless steel, this inspection tee is crafted to endure both high and low temperatures. The flue system is designed to work efficiently in both positive and negative pressure environments, proving its versatility across various applications, including boilers, ovens, ventilation systems, and chimney shafts.

The construction varies in thickness depending on the flue diameter, ensuring robust performance. The system is CE marked and adheres to EN 1856-1 standards, making it a reliable choice for any commercial or industrial setting. Installation is straightforward with a push-fit jointing system secured by a locking band.

For P1 and H1 installations, jointing gaskets are essential to maintain a secure fit. Ensure a 50mm clearance from any combustible materials to maintain safety.

SKU: 3-450-135

Technical Specifications
Material316L Stainless Steel
SystemSWPro Modular Single Wall Flue System
StandardsEN 1856-1, CE
Temperature RangeSuitable for both high and low temperatures
Clearance Requirement50mm from combustible materials
InstallationPush-fit jointing system with locking band; jointing gaskets required for P1/H1 installations
Warranty10 Years
The Inspection Tee - Ø 450 is designed for a straightforward installation process. Begin by ensuring the installation site maintains a minimum clearance of 50mm from any combustible materials. For secure installation, use the push-fit jointing system: insert the tee into the flue system until it locks firmly in place. For P1 and H1 installations, be sure to include the necessary jointing gaskets to achieve a secure, airtight seal. Finally, secure the connection with the locking band provided. Always refer to the installation manual for any specific instructions or additional safety warnings prior to commencement.

The Inspection Tee is made from high-grade 316L stainless steel, ensuring durability and longevity.

Yes, it is suitable for both high and low temperature applications, making it versatile for a range of uses.

The Inspection Tee is CE marked and complies with EN 1856-1: T200 H1 W Vm L50040/50 O standards.

A minimum clearance of 50mm from any combustible materials, such as wood or plasterboard, is recommended.

The installation is straightforward using a push-fit jointing system secured by a locking band. Jointing gaskets are required for P1 and H1 installations.

It is suitable for boilers, ovens, ventilation systems, and as a chimney shaft liner, accommodating both positive and negative pressure gases.

Yes, it is ideal for condensing applications, making it a versatile choice for various setup requirements.

What our experts say!

"The Inspection Tee - Ø 450 is an exceptional choice for any modular single wall flue system. Known for its durability and versatility, it's suited for both high and low-temperature applications. At National Flues, we take pride in offering you reliable nationwide delivery and unbeatable prices for both retail and trade customers."

The Inspection Tee - Ø 450 is used in flue systems for inspecting and maintaining the flue gases in both commercial and industrial installations.

National Flues is a leading supplier of high-quality fireplaces and flues in the UK, offering unbeatable prices and reliable nationwide delivery. Our range of products caters to both retail and trade customers, ensuring secure online payments and dedicated customer service.

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