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Compression Fittings

Home » Water Underfloor Heating » Pipe & Fittings » Underfloor Heating Pipe Fittings » Compression Fittings

  • Brass Hexagon Bush - 1" x 1/2"

    Brass Hexagon Bush – 1″ x 1/2″

    £2.20 (inc.VAT)

    Brass Hexagon Bush – 1″ x 1/2″

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  • Female Compression Coupling - 15mm x 1/2"

    Female Compression Coupling – 15mm x 1/2″

    £3.00 (inc.VAT)

    Female Compression Coupling – 15mm x 3/4″
    Can be used to fit copper pipe to manifold ports.
    Supplied with fibre washer.

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  • Female Compression Coupling - 15mm x 3/4"

    Female Compression Coupling – 15mm x 3/4″

    £3.00 (inc.VAT)

    Female Compression Coupling – 15mm x 3/4″
    Can be used to fit copper pipe to manifold ports.
    Supplied with fibre washer.

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  • Male Compression Coupling - 15mm x 3/4"

    Male Compression Coupling – 15mm x 3/4″

    £3.24 (inc.VAT)

    15mm x 3/4″ inch Male Compression Coupling

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  • Male Compression Coupling - 22mm x 1"

    Male Compression Coupling – 22mm x 1″

    £3.24 (inc.VAT)

    22mm x 1″ inch Male Compression Coupling

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  • Male Compression Coupling - 22mm x 3/4"

    Male Compression Coupling – 22mm x 3/4″

    £3.24 (inc.VAT)

    22mm x 3/4″ inch Male Compression Coupling

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  • Male Compression Coupling - 28mm x 3/4"

    Male Compression Coupling – 28mm x 3/4″

    £3.24 (inc.VAT)

    22mm x 3/4″ inch Male Compression Coupling

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  • Male Compression Coupling - 28mm x 1"

    Male Compression Coupling – 28mm x 1″

    £3.60 (inc.VAT)

    28mm x 1″ inch Male Compression Coupling

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  • Female Compression Coupling - 22mm x 1"

    Female Compression Coupling – 22mm x 1″

    £2.76 (inc.VAT)

    Female Compression Coupling – 22mm x 1″

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We stock a wide range of compression fittings suitable for various plumbing and heating applications. These fittings include 15mm, 22mm, and 28mm compression ends, commonly used to connect copper pipework to your system, (flow and return pipes coming from a boiler).

How Do These Fittings Work?

Each fitting includes a compression nut and an olive, which together create a secure, watertight seal when tightened. The opposite end of the fitting is either a male or female threaded connection, allowing for easy integration with other components in your heating system.

Common Uses

These compression fittings are ideal for connecting copper pipe to threaded components. Common applications include:

Need Help Choosing the Right Fitting? If you’re unsure which fitting you need or require advice for your specific setup, our team is here to help.