Polyplumb Pipe Stiffeners Black - 15Mm (Pack Of 50)

Polyplumb Pipe Stiffeners Black - 15Mm (Pack Of 50)

The Polyplumb Pipe Stiffeners, 15mm (Black, Pack of 50), are absolutely essential components for securing and guaranteeing the performance of any 15mm plastic push-fit plumbing system, particularly those using Polybutylene (PB) pipe. Often referred to as pipe inserts or spigots, these stiffeners are mandatory to maintain the circular shape and structural integrity of the plastic pipe where it enters the push-fit fitting.

Key Features and System Integrity
Essential Component: These inserts are not optional; they must be used in conjunction with all 15mm Polyplumb push-fit fittings (elbows, tees, couplings, etc.) to ensure a watertight seal.

Size and Material: Designed specifically for 15mm plastic pipe (Polybutylene or PEX). Made from durable plastic (often acetal) or metal, which is corrosion-resistant.

Function:

Maintains Shape: Prevents the soft plastic pipe from deforming or collapsing when inserted and compressed by the fitting’s grab ring and O-ring seal.

Secures the Seal: Provides a solid internal surface for the fitting's O-ring to press against, ensuring a leak-proof connection.

Colour: Black – Signifies the specific size or brand compatibility (always check manufacturer guidance).

Quantity: Supplied in a convenient Pack of 50, ideal for trade use and large plumbing projects.

Compatibility: Designed for the Polyplumb system but often compatible with other major push-fit brands (check specific fitting requirements).

The Installer's Advantage
Using the correct pipe insert is a non-negotiable step for compliance and safety in plastic push-fit plumbing. Having these Polyplumb stiffeners readily available ensures installers can work quickly and confidently, knowing every joint is mechanically sound and guaranteed.

Essential Companion Products
These inserts work with the following components:

Pipe: Requires 15mm plastic pipe, such as Polyplumb Coiled Polypipe 15mm x 50m.

Fittings: Used in all 15mm push-fit connections, for example, the Polyplumb Enhanced Pushfit Equal Elbow - 15mm.

Pipe Cutter: Ensures a perfectly square cut before insertion: Hinton Plastic Pipe Cutter 0-25mm.

Specialist Support and Local Collection
Need reliable, bulk stock of essential push-fit components or technical advice on pipe insertion? Our trade counter is fully stocked and ready.