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Ø 100 inspection tee 0,5 m - Ø 450 (3-450-136)

Discover the reliability of the National Flues Ø 100 Inspection Tee 0.5m - Ø 450, designed to deliver robust performance in various applications including boilers, ovens, and ventilation systems. Crafted from premium 316L stainless steel, this high-quality flue component is essential for ensuring safe and efficient inspections. This inspection tee, a critical part of the SWPro modular flue system, provides a secure sealing solution for both condensing and non-condensing setups, making it a must- Read more...
The price you pay today £628.99
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At a Glance

    Made from 316L Stainless Steel |
    High-pressure sealing gasket (P1/H1) for secure joints |
    Modular push-fit jointing system with Locking Band |
    CE marked and compliant with EN 1856-1 standards |
    Versatile for high and low-temperature applications |
    Suitable for both positive and negative pressure systems |
    10-year warranty ensures long-term reliability
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, June 18th. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. 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. 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.
  • 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 Ø 100 Inspection Tee 0.5m - Ø 450 by National Flues is an essential component in the SWPro modular single wall flue system, meticulously crafted from 316L grade stainless steel. This inspection tee features a high-pressure sealing gasket P1/H1, making it versatile for both high and low-temperature applications. Whether you're dealing with non-condensing or condensing flue gases, positive or negative pressure scenarios, this robust inspection tee has you covered.Constructed with varying thicknesses to match the flue diameter, the SWPro system is CE marked and adheres to stringent standards, including EN 1856-1.

Its modular design, complete with a push-fit jointing system and secure Locking Band, ensures easy installation. Remember, for P1 and H1 installations, jointing gaskets must be fitted at every joint, and a 50mm clearance from combustible materials should be maintained. Ideal for a range of applications including boilers, ovens, ventilation systems, and chimney shaft liners.

SKU: 3-450-136

Technical Specifications
Material316L Stainless Steel
Dimensions0.5 m length; u00d8 450 body with 100 mm branch
Sealing GasketHigh-pressure P1/H1 for reliable sealing
SystemSWPro modular single wall flue system
StandardsCE Marked, complies with EN 1856-1
Warranty10 Years
ApplicationSuitable for boilers, ovens, ventilation systems, and chimney liners
Installation RequirementsMaintain 50mm clearance from combustible materials
For optimal performance, ensure that each joint of the SWPro flue system is equipped with the appropriate jointing gasket. The push-fit design and Locking Band provide a secure fit; however, careful attention must be paid during installation. Always maintain a minimum clearance of 50mm from any combustible materials. It is recommended to verify that the high-pressure sealing gasket is properly seated and that all connections are tight. For both P1 and H1 installations, consistent application of the jointing gaskets is essential to prevent any gaps that may compromise safety. Review installation manuals and adhere strictly to local building regulations.

The Ø 100 Inspection Tee is constructed from 316L grade stainless steel, known for its durability and resistance to corrosion.

Yes, the SWPro system is designed for both high and low-temperature applications, making it versatile for various setups.

Absolutely, the Ø 100 Inspection Tee is suitable for use with flue gases in both positive and negative pressure scenarios.

The high-pressure sealing gasket (P1/H1) ensures a secure and tight seal, essential for both condensing and non-condensing applications.

Not at all, the SWPro system features a modular push-fit jointing setup with Locking Bands, simplifying the installation process.

A 50mm clearance must be maintained from the outside of the flue to any combustible materials such as wood or plasterboard.

Yes, the SWPro system is CE marked and complies with EN 1856-1 standards, ensuring quality and safety.

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