SYSTEM CONNECTIONS : Connection to compression fitting: Many, but not all, compression fittings are suitable for use with plastic fittings and pipe. Users should therefore check for compatibility. Compression fittings with short tube stop depth or hard olives should not be used with plastic fittings or pipe.
taken from plumcenters guidelines
http://www.plumbcenter.co.uk/wcssto...l/ti/on/Speedfit_Connections_Installation.pdf
taken from plumcenters guidelines
http://www.plumbcenter.co.uk/wcssto...l/ti/on/Speedfit_Connections_Installation.pdf