× National Flues
We Won't Be Beaten On Price.
Free Delivery on Orders Over £100
100% 5 Star Reviews on Trustpilot
Free Flue Design Service Available
Need Help? 01670 206999 (8am-5pm)

Terminal Guard Rectangular 20 x 20 x 8 (13-TG1)

Discover the performance and reliability of National Flues with our Terminal Guard Rectangular 20 x 20 x 8. This high-quality flue terminal guard, ideal for gas and oil heating systems, delivers robust protection and peace of mind. Perfect for both commercial and residential installations, this essential accessory is engineered for durability and ease-of-maintenance, making it a superior choice among flue protection solutions in the UK.
Hover to Zoom / Click for Gallery
£20.49
Give us a call if you find it cheaper and we'll try to price match.

 

Payment Options

At a Glance

  • Durable mild steel welded wire mesh construction
  • Standard zinc plating with passivate finish to resist corrosion
  • Designed for conventional non-condensing gas boilers
  • Rectangular design offering versatile installation options
  • Provides effective protection by preventing accidental contact with flue terminals

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 Terminal Guard Rectangular 20 x 20 x 8 is crafted from mild steel welded wire mesh, making it a durable and reliable choice for protecting your flues. The standard zinc plate and passivate finish ensure it is perfectly suited for conventional non-condensing gas boilers. Designed to prevent both damage and contact with flue terminals when installed at low levels, these guards come in rectangular, square, and round options.

For condensing applications, we recommend using only nylon-coated guards. This versatile and sturdy terminal guard ensures your flues remain in excellent condition, regardless of external factors.

SKU: 13-TG1

Technical Specifications
Dimensions20 x 20 x 8
MaterialMild Steel Welded Wire Mesh
FinishStandard Zinc Plate and Passivate
ApplicationConventional Non-Condensing Gas Boilers
Available ShapesRectangular, Square, Round
Recommended InstallationLow-level flue installations
Priceu00a312.02 (Our Price)
• Ensure the installation area is clean and free from obstructions before mounting the terminal guard. • Install at low levels to maximise protection by preventing accidental contact with the flue terminal. • Use appropriate fasteners to secure the guard firmly, following the guidelines provided in your installation manual. • For condensing appliance installations, be aware that this model is not recommended; instead, opt for a nylon-coated guard. • Always check for proper clearance around the guard to maintain optimal airflow and system efficiency. • If unsure, consult a professional installer or refer to National Flues’ installation guidelines.

The terminal guard is made from mild steel welded wire mesh, ensuring durability and strength.

It features a standard zinc plate and passivate finish, ideal for conventional non-condensing gas boilers.

We recommend using only nylon-coated guards for condensing appliances.

A terminal guard protects your flues from damage and prevents any accidental contact with the terminal, ensuring safety and longevity.

Yes, the terminal guards are available in rectangular, square, and round options to suit your specific needs.

This specific model is 20x20x8, but other sizes are also available to cater to various requirements.

The terminal guard is designed for easy installation at low levels to provide optimal protection and prevent any mishaps.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 30th. If you need faster stove or fireplace delivery please give us a call. We can often 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 Terminal Guard Rectangular 20 x 20 x 8 buyers guide

Don’t wait – secure your Terminal Guard today and protect your investment with National Flues.

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal