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US Cap 3-4 Inches - Ø 100-150mm (73-USE0304-100)

Discover National Flues and our high quality US Cap 3-4 Inches - Ø 100-150mm, a superior chimney cap accessory designed to enhance performance and provide robust protection. This product is ideal for a variety of chimney flue installations, offering a durable solution engineered to ensure optimal airflow and weather resistance. With National Flues' reputation for excellence, this chimney cap is a smart choice for retail and trade customers alike seeking reliable, efficient, and long-lasting chim Read more...
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At a Glance

    Robust 0.4mm 316/304 Stainless Steel construction with 7.5mm air gap
    Designed for chimney flues ranging from 100mm to 150mm
    Easy push-fit installation with secure locking bands
    Provides superior protection against rain, debris, and pests
    Enhances chimney efficiency through optimal airflow
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, June 10th. 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.

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 US Cap 3-4 Inches - Ø 100-150mm is a top-quality product designed to fit a range of chimney flues between 100mm and 150mm. Crafted from robust materials, this cap plays a crucial role in protecting your chimney from external elements like rain, debris, and pests. It ensures optimal airflow and enhances the efficiency of your chimney system.

Easy to install and designed for longevity, it’s an essential addition for maintaining a safe and efficient chimney.

SKU: 73-USE0304-100

Technical Specifications
SKU73-USE0304-100
Material0.4mm 316/304 Stainless Steel with 7.5mm Air Gap
Flue Size Compatibility100mm - 150mm
Installation MethodPush Fit with Locking Bands
Maximum Operating Temperature400u00b0C
CertificationsEN1856-2 T400 N1 W V3 L50040 G200, EN1856-2 T200 H1 V2 L50040 O50 (Condensing)
Warranty2 Year Conditional Warranty
Fuel TypesGas, Oil and Approved Solid Fuels and Condensing Applications
Before beginning, ensure the chimney area is secure and clean. The US Cap is designed for a straightforward push-fit installation, eliminating the need for specialised tools. Begin by aligning the cap with the chimney flue, ensuring a proper fit between 100mm and 150mm diameters. Once aligned, firmly press the cap into place until the locking bands secure it. It is advisable to check that the seal is tight and free from gaps. In case of any difficulties or uncertainties during installation, consult the provided detailed instructions or contact a professional for assistance. Always adhere to safety guidelines when working at heights or with heavy materials.

The US Cap 3-4 Inches is used to protect chimney flues from external elements and enhance airflow, ensuring the efficient operation of your chimney.

The US Cap is designed for easy installation, requiring no specialised tools. Detailed instructions are provided to guide you through the process.

The US Cap is made from durable, weather-resistant materials that ensure long-lasting protection and performance.

Yes, the US Cap is adjustable and fits chimney flue sizes ranging from 100mm to 150mm.

It requires minimal maintenance. A regular check every few months is recommended to ensure peak performance and a clean chimney system.

Yes, the US Cap is designed to fit securely on a range of chimney sizes, providing a tight, reliable seal against external elements.

Yes, the US Cap is built to withstand various weather conditions, including heavy rain, wind, and snow.

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