BM Plumbing Supplies Ltd · 24 Dukes Close, Thurmaston, Leicester LE4 8EYTrade & DIY · Good old-fashioned service
Plumbing fittings · BM help centre

Compression vs Push-Fit Plumbing Fittings

A straightforward comparison of compression and push-fit connections for trade and DIY customers.

Updated 31 October 2026 · BM Plumbing Supplies Ltd, Leicester

The short answer: If you can show the existing part, its connections, its measurements and the job it does, we have a much better starting point for finding a suitable replacement. Below is our practical guide for this particular enquiry.

How compression joints work

A typical compression fitting uses a nut to compress an olive around the pipe and create a seal. Fittings are available in many shapes and materials. Proper pipe preparation, correct alignment and the manufacturer's assembly guidance matter; overtightening can cause problems rather than prevent them.

How push-fit joints work

Push-fit fittings use an internal grip and sealing mechanism designed for specified pipe types. They can simplify some connections, but correct pipe inserts, pipe preparation, insertion depth and manufacturer compatibility are essential. Not every push-fit fitting is suitable for every temperature, pressure or application.

Which is better for your job?

Neither type is universally best. Access, visibility of the joint, pipe material, whether it is concealed, future servicing and the system manufacturer's instructions should drive the choice. Check product ratings and any relevant installation requirements instead of assuming one joint type will suit all settings.

What to tell the trade counter

Send a picture of the old connection and say whether the pipe is copper or plastic, its measured size, the type of system and how many joints you are making. BM can help you identify suitable categories of parts and check options. If you are unsure about installation safety, ask a qualified installer.

Need help buying the part in Leicester?

Visit Plumbing fittings in Leicester, telephone 0116 269 6677, or send your pictures to BM on WhatsApp. The team can check stock and compatibility details before confirming your order.

Our approach: You do not have to know the name of every weird and wonderful fitting. Send the photo; we will help you work out what to ask for.