Pipe stiffeners are an integral part of the joint when using Polyplumb pipe with either Polyplumb fittings or compression fittings, and need to be fully inserted in to the pipe end. They are not required when using copper pipe

Time efficient, no nonsense one step joint process
Polyplumb plastic pipe stiffeners are used when jointing sections of Polyplumb pipe
Suitable for Domestic / Central Heating
25 year guarantee against defects in materials or manufacture of the Polyplumb system

Kitemarked, British Gas & WRAS Approved

Air Ring Main System

The John Guest system of push-in fittings and pipe, designed for use with air, provide the ideal connection from compressor receiver to air line service components through to complete ring main and take off points.

No need to prepare threaded pipe or apply solvent
Easy and quick to install, simple push-in connections
Safe, secure and leak-proof, ready for immediate use
Unique collet locking system holds tube firmly without deformation or flow restriction
Easy to disconnect and reconfigure the system
Instruction leaflet included

Temperature Range 0 to + 70°C
Working Pressure @ +23°C = 10 bar (145 psi)
Working pressure @ +70°C = 7 bar (101 psi)
Pipe tolerances: +0.05 to -0.10mm OD
Material, pipe: rigid (unplasticised) Nylon 12
Material, fittings: bodies engineering plastic (black acetal copolymer) or brass
'O' Rings: Nitrile rubber
Collets: acetal polymer with stainless steel teeth