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Push-Fit vs Compression: Which Is Right for Your Job?

When it comes to plumbing connections, choosing the right fitting can make or break a job, quite literally. Two of the most common options in the trade are push-fit and compression fittings, each with their own strengths and ideal use cases.

If you’re unsure which to go for, here’s a breakdown to help you decide.

Push-Fit Fittings: Quick and Easy

 Advantages:

  • Speed: No tools needed – just cut, deburr, and push.

  • Ideal for tight spaces where using spanners would be awkward.

  • Demountable (if using the right kind), making alterations simple.

  • Suitable for plastic and copper pipe.

 Things to Consider:

  • Pipes must be cut cleanly and inserted fully for a secure seal.

  • Not always recommended for visible installations due to bulkier appearance.

  • Can be more costly per unit than compression fittings.

Compression Fittings: Durable and Reusable

 Advantages:

  • Ideal for visible pipework thanks to a neat finish.

  • Re-usable, great for temporary installations or where disassembly might be needed.

  • No need for pipe inserts when using with copper.

Things to Consider:

  • Slower to install – requires spanners and some patience.

  • Connections need to be tightened properly to avoid leaks but not over-tightened.

  • Less suitable for awkward spaces.

So, Which Should You Use?

Job Type vs Best Fitting:

  • Quick DIY repairs = Push-fit

  • Concealed pipework = Push-fit (for speed)

  • Visible pipework (e.g. sink) = Compression

  • Temporary set-ups = Compression

  • Copper-only systems = Either (with correct prep)

  • Mixed plastic/copper = Push-fit (with inserts)

Need Help Choosing?

We stock a wide range of both fitting types in various sizes and materials. If you’re unsure which suits your job, bring your pipework in or give us a ring, we’ll help you get it right first time.

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