👀 6 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

Terminal Guard Rectangular 18 x 18 x 8 (13-TG4)

National Flues' Terminal Guard Rectangular 18 x 18 x 8 is a high-quality flue protection accessory, tailored to safeguard your gas and oil heating systems. This premium flue terminal guard, made from durable mild steel and finished with a corrosion-resistant zinc plating, is a reliable choice for both residential and commercial applications. Enhance your system’s safety with this robust accessory, and browse our range of optional add-ons designed to complete your installation.
The price you pay today £24.99
Give us a call if you find it cheaper and we'll normally price match.

 

Payment Options

At a Glance

    Constructed from robust mild steel welded wire mesh
    Zinc-plated finish ensures exceptional corrosion resistance
    Precision-engineered for rectangular, square, and round flue types
    Designed to protect flue terminals from damage and accidental contact
    Optimised for conventional non-condensing gas boilers (with alternative nylon coated options for condensing appliances)
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. 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.

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.

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 18 x 18 x 8 is meticulously designed to safeguard flue terminals installed at low levels. Made from robust, mild steel welded wire mesh, this guard is zinc-plated, providing exceptional durability for conventional non-condensing gas boilers. Available in various shapes, including rectangular, square, and round, it ensures versatile protection and fits a multitude of flue types.

For condensing appliances, consider using the Nylon Coated guards. This rectangular terminal guard not only shields your flue from damage but also prevents any inadvertent contact, enhancing the safety and longevity of your heating system.

SKU: 13-TG4

Technical Specifications
Dimensions18 x 18 x 8 inches
MaterialMild Steel Welded Wire Mesh
FinishZinc-plated
ApplicationConventional Non-Condensing Gas Boilers
Compatible WithVarious flue shapes including rectangular, square and round; for condensing appliances, consider Nylon Coated guards
1. Ensure the flue system is de-energised before starting installation. 2. Position the Terminal Guard so that it aligns correctly with the flue terminal. 3. Secure the guard using appropriate fixing hardware as recommended by the manufacturer. 4. Confirm that the guard is firmly installed and does not impede the operation of the flue system. 5. Always refer to the detailed installation manual provided with the product. Warning: If you are unsure about any step during the installation, consult a professional installer or contact customer support.

The Terminal Guard is constructed from mild steel welded wire mesh, ensuring durability and strength.

The zinc plating provides additional corrosion resistance, extending the lifespan of the guard, especially in conventional non-condensing gas boiler applications.

For condensing appliances, it is recommended to use Nylon Coated guards due to the specific material requirements for those systems.

National Flues offers rectangular terminal guards in various sizes, including the featured 18 x 18 x 8 size, to accommodate different flues.

The terminal guard protects the flue from damage and prevents accidental contact with the terminal, ensuring the safe operation of your heating system.

Yes, the rectangular terminal guard is designed for straightforward installation, making it convenient for both professional and DIY installations.

The guards come with a standard zinc plate finish suitable for conventional non-condensing gas boilers. Other finishes, such as Nylon Coating, are recommended for specific applications.

Your recently viewed products:

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