La Pavoni Relief Valve Spring Stopper behind-the-bar/tamping threads directly onto the valve

threads directly onto the valve stem

This will leave you with an open pipe end

and Classe models

Fiorenzato A1300113

La Pavoni Relief Valve Spring Stopper behind-the-bar/tamping threads directly onto the valveLa Pavoni Relief Valve Spring Stopper This spring stopper is part of the safety relief valve assembly on pre Millennium La Pavoni lever machines, sold individually per purchase. It will not fit "Millennium" edition Europiccola or Professional models (manufactured after 2000) for those, use the MP40 spring ball bearing instead. COMPATIBILITY Fits: pre Millennium La Pavoni Europiccola and Professional models (before 2000) INSTALLATION Straightforward