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Polyplumb Tutorials

This page is intended to give basic information on how to use Polypipe's 'Polyplumb' range of push-fit pastic plumbing fittings, pipe and accessories.

The information is taken from Polypipe's official technical guidance.

Introduction to Polyplumb Plastic Plumbing

Introduction to Polyplumb Plastic Plumbing

PolyPlumb is Polypipe's original grey plastic plumbing system. It has been tried and tested over 30 years and found to be both robust and reliable. The jointing process for PolyPlumb fittings feature a one step jointing process and a high performance stainless steel grab ring within the fitting, ensures superb joint integrity.

Mainly used with Polypipe grey polybutylene flexible pipe but also fully compatible with traditional copper pipe. We recommend the use of a Polypipe metal or plastic pipe stiffener when used with plastic pipe.

PolyPlumb is suitable for use in most plumbing and heating installations including hot and cold water and underfloor heating applications.

How To Join Polyplumb Pipe

How To Join Polyplumb Pipe


When joining Polyplumb pipe it is important to follow some basic steps. For instance NEVER cust Polyplumb pipe with a hacksaw.

Follow these simple steps for a reliable connection, either to plastic or copper pipe.

See How To Join Polyplumb Pipe

How To Dismantle a Polyplumb Joint

How To Dismantle a Polyplumb Joint


The Polyplumb system is not designed to be demountable to avoid tampering and provide a reliable connection but if you need to take apart a connection for repair or maintenance just follow these simple steps.

See How To Dismantle A Polyplumb Joint

Polyplumb Reduced Component Fittings

Polyplumb Reduced Component Fittings


Changes were made some time ago to the 15mm Polypipe Polyplumb couplers, elbows and tees and 22mm Polyplumb elbows and tees, which need to be considered.

See Details of The Polyplumb Component Fittings Here.

Polyplumb Plumbing System Testing

Polyplumb Plumbing System Testing

Pressure testing of the Polypipe 'Polyplumb' pipe system is essential and a successful pressure test using the following steps ensures that pipes have been inserted into fittings passed both the ‘o’ ring and the grab ring.

See How To Test The Polyplumb Plumbing System.

Need More Information?

Watch the short introductory video which outlines the benefits of the Polyplumb system or see our FAQs which answer some of the most common questions about Polyplumb.