👀 2 people are viewing this product
× National Flues
Free Delivery on Orders £100+
100% 5* reviewed on Trustpilot
Free stove flue design service
Delivery to mainland UK
Call for help on 01670 206999

Inspection Tee - Ø 250 (3-250-135)

Discover the exceptional quality of the National Flues Inspection Tee Ø 250, a premium component in our professional modular flue system. Engineered from high-grade 316L stainless steel, this inspection tee is ideal for a range of industrial heating applications including boilers, ovens, and ventilation systems. With its robust design and CE certification, the Inspection Tee offers both performance and reliability – a must-have for those seeking superior flue solutions in the UK.
Now only £245.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.

 

Payment Options

At a Glance

    High-grade 316L stainless steel construction

    CE marked and EN 1856-1 compliant

    Versatile design for both condensing and non-condensing applications

    Push-fit jointing system secured with a Locking Band

    High-pressure sealing gasket (P1/H1) for reliable performance

    Suitable for handling both high and low temperatures, and variable pressure conditions

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 Inspection Tee Ø 250 is part of the SWPro modular single wall flue system, crafted from high-grade 316L stainless steel. This system is designed to handle both high and low temperatures, making it suitable for a broad range of applications, including boilers, ovens, and ventilation systems. The SWPro system is CE marked, conforming to all necessary European standards.

The Inspection Tee features a high-pressure sealing gasket (P1/H1) and a push-fit jointing system secured with a Locking Band. It is designed for both condensing and non-condensing uses and can cope with flue gases under both positive and negative pressure. For installation, ensure a safe distance of 50mm to any combustible material.

SKU: 3-250-135

Technical Specifications
SKU3-250-135
Material316L Stainless Steel
SystemSWPro Modular Single Wall Flue System
ApprovalsCE, EN 1856-1 Compliant
SealingHigh-pressure sealing gasket (P1/H1)
JointingPush-fit joint with Locking Band
Temperature RangeDesigned for both high and low temperatures
Pressure ConditionsOperates under both positive and negative pressure
Installation ClearanceMinimum 50mm from combustible materials
Warranty10 Years
Compatible FuelsGas, Oil
Before installation, ensure that all materials comply with local safety regulations. Use the provided high-pressure sealing gasket for P1/H1 installations and secure the push-fit joint with the Locking Band. Always maintain a minimum clearance of 50mm from any combustible material when installing your Ø 250 Inspection Tee. It is recommended to have the installation performed or inspected by a qualified professional to guarantee proper alignment and sealing. Check for any damage before installation and confirm that all components are free from defects. Follow the manufacturer's guidelines meticulously to ensure safety and optimal performance.

The Inspection Tee Ø 250 is made from high-quality 316L stainless steel, ensuring durability and resistance to high temperatures.

Yes, the Inspection Tee Ø 250 is CE marked, complying with EN 1856-1 standards.

The Inspection Tee Ø 250 is suitable for boilers, ovens, ventilation systems, and as a chimney shaft liner.

The product features a push-fit jointing system secured with a Locking Band. Joint gaskets must be fitted for P1 and H1 installations.

A minimum distance of 50mm from the outside of the flue to any combustible material (e.g., wood, plasterboard) is required.

The Inspection Tee Ø 250 can handle high and low temperatures, suitable for both positive and negative pressure conditions in both condensing and non-condensing applications.

Yes, National Flues offers secure online payments for retail customers and reliable delivery nationwide.

What our experts say!

"The Inspection Tee Ø 250 is a reliable, versatile component of the SWPro flue system. Its high-grade 316L stainless steel construction ensures long-lasting performance. National Flues delivers nationwide and serves both retail and trade customers with exceptional service. Rarely beaten on price, our Inspection Tee Ø 250 is a top choice."

The Inspection Tee Ø 250 is designed to facilitate inspection and maintenance of modular flue systems, especially in commercial heating and ventilation applications.

National Flues is a leading supplier of fireplaces and flues across the UK, catering to both retail and trade customers. Known for competitive pricing and reliable delivery, National Flues offers an extensive range of high-quality flue components.

Our Rating Image

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal
Call our experts for help