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Boiler adaptor - Ø 175 (3-175-BA-123)

Discover the Boiler Adaptor - Ø 175 by National Flues, a premium stainless steel flue component designed for both commercial and residential applications. This high-quality boiler adaptor provides a secure connection for boilers, ovens, and ventilation systems, ensuring safe and efficient operation even under rigorous conditions. Built for longevity and certified to EN 1856-1 standards, the SWPro system is enhanced by this robust adaptor. Whether you are upgrading your existing flue or embarking on a new installation, National Flues offers dependable performance and the optional accessories you might need to complete your system.
£69.87
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At a Glance

    Crafted from high-grade 316L Stainless Steel
    High-pressure P1/H1 sealing gasket for robust performance
    Versatile compatibility with condensing and non-condensing appliances
    Part of the SWPro modular single wall flue system
    CE marked and EN 1856-1 compliant for safety and reliability

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]

Our Boiler adaptor - Ø 175 is part of the versatile SWPro modular single wall flue system, designed for both commercial and residential applications. Constructed from high-grade 316L stainless steel, this adaptor comes with a high-pressure P1/H1 sealing gasket, ensuring robust performance and longevity. The SWPro flue system suits various temperatures and pressure conditions, both condensing and non-condensing.

It is perfect for boilers, ovens, ventilation systems, and even as a chimney shaft liner. CE marked and compliant with EN 1856-1 standards, the SWPro range guarantees safety and quality. Installation is straightforward with its push-fit jointing system, secured by a Locking Band.

For P1 and H1 installations, jointing gaskets should be fitted on every joint, keeping a 50mm distance from any combustible material.

SKU: 3-175-BA-123

Technical Specifications
Material316L Stainless Steel
Sealing GasketHigh-pressure P1/H1
SystemSWPro Modular Single Wall Flue System
CertificationCE Marked, EN 1856-1 Compliant
Fuel CompatibilityGas, Oil
Distance To Combustibles50mm
Warranty10 Years
Installation MethodPush-fit jointing secured by Locking Band
• Ensure all components are clean and free from debris prior to installation. • Use the SWPro push-fit jointing system to connect the boiler adaptor to your appliance reliably. • For P1 and H1 installations, install jointing gaskets on every joint to maintain an airtight seal. • It is recommended to use silicone sealant to secure the adaptor and appliance outlet for condensing appliances, unless the outlet already incorporates a seal. • Maintain a minimum clearance of 50mm from any combustible materials to comply with safety standards. • If in doubt, consult the installation manual or seek professional advice to ensure proper setup. Optional accessories such as additional sealing kits or mounting brackets are available to further optimise your system.

The Boiler Adaptor - Ø 175 is used to connect the SWPro modular single wall flue system to boilers, ovens, ventilation systems, and chimney liners.

It is crafted from high-grade 316L stainless steel, ensuring durability and resistance to corrosion.

Yes, it is suitable for both condensing and non-condensing applications, handling flue gases in both positive and negative pressure scenarios.

The adaptor should be installed using the SWPro flue system’s push-fit jointing system secured by a Locking Band, with jointing gaskets fitted for P1 and H1 installations.

Yes, this adaptor is CE marked and meets the EN 1856-1 standards.

Yes, ensure a distance of 50mm from the outside of the flue to any combustible materials like wood or plaster board.

Yes, it is recommended to use silicone sealant to seal the adaptor and appliance outlet for condensing appliances, unless the outlet already incorporates a seal.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, May 8th. 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.

Read our review in our Boiler adaptor - Ø 175 buyers guide

Buy now for a reliable connection or call 01670 206 999 to secure this essential boiler adaptor!

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