Chaffoteaux Britony Diaphragm
Part no 60025809-30
it will fit to following:-
Chaffoteaux Britony 11
Chaffoteaux Britony 11 A
Chaffoteaux Britony 11 A Prestige
Chaffoteaux Britony 11 FF
Chaffoteaux Britony 11 T 21 KW
Chaffoteaux Britony FF
Chaffoteaux Britony Flexiflue