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H Cowl 430 for Gas or Oil appliances - Ø 150 (9-6-HG)

National Flues presents the H Cowl 430 for Gas or Oil appliances - Ø 150, an ideal choice for optimising flue performance. Crafted from durable 430-grade stainless steel, this premium cowl is engineered for efficient combustion gas isolation from prevailing winds. Perfect for gas and oil firing, this reliable appliance accessory ensures enhanced safety and durability. Explore optional accessories to further tailor your installation for peak efficiency.
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H Cowl 430 for Gas or Oil appliances - Ø 150
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Great value at £131.99
including free delivery Give us a call if you find it cheaper and we'll try to price match.
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At a Glance

    Made from robust 430-grade stainless steel
    Mesh insert for enhanced safety, keeping debris and small animals out
    Designed for gas and oil-fired appliances
    Provides effective isolation of combustion gases from prevailing winds
    Offers rain protection, anti-downdraught, and bird guard functionality

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The H Cowl 430 for Gas or Oil appliances - Ø 150 mm is a premium solution for ensuring optimal flue performance. Crafted from robust 430-grade stainless steel, this cowl is designed to withstand the elements and provide long-lasting durability. It features a mesh insert to enhance safety by preventing debris and small animals from entering the flue.

The unique design of the H Cowl isolates combustion gases from prevailing winds, ensuring your heating system operates efficiently. Ideal for use with gas and oil-fired appliances, this cowl meets the highest standards of quality and performance.

SKU: 9-6-HG

Technical Specifications
Material430-Grade Stainless Steel
Diameter150mm
Fuel CompatibilityGas, Oil
Weather ProtectionRain Protection, Anti-Downdraught, Bird Guard
Mesh InsertIncluded for debris and animal protection
AdditionalNot suitable for wood or smokeless fuel
Installation of the H Cowl 430 is straightforward, though professional assistance is recommended to ensure a secure and compliant fit. Begin by verifying that your flue dimensions match the 150mm specification. Secure the cowl in place using appropriate fittings and ensure all seals are properly aligned to prevent water ingress. Be cautious of the cowl's weight and the surrounding structure integrity; seek professional advice if you are uncertain about any step. Regularly inspect the unit after installation to ensure the mesh remains free from debris and that the protective features are intact. Always follow the manufacturer’s guidelines and local codes.

The H Cowl 430 is made from high-quality 430-grade stainless steel, providing excellent resistance to corrosion and durability.

No, the H Cowl 430 is specifically designed for gas and oil-fired appliances. For wood-burning appliances, please refer to our other products.

The mesh insert helps to prevent debris and small animals from entering the flue, thereby enhancing safety and performance.

The unique design of the H Cowl isolates combustion gases from prevailing winds, ensuring efficient operation of your heating system.

While installation isn't overly complex, we recommend having a professional install the H Cowl 430 to ensure it is fitted correctly and safely.

Yes, the H Cowl is available in various sizes to suit different flue requirements. Please check our product range for more options.

Regular inspection is recommended to ensure the cowl remains free from debris. Other than that, the 430-grade stainless steel construction requires minimal maintenance.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, May 26th. Delivery times of products not in our warehouses depend on product availability and shipping. If you need a definitive delivery time give us a call. If you need faster stove or fireplace delivery please also 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. 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.

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H Cowl 430 for Gas or Oil appliances - Ø 150

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