Ferroli Paddle Flow Switch
Part no 39800120 800120
it will fit to following:-
FERROLI COMBI 100FF
FERROLI COMBI 77FF
FERROLI COMBI 77FF / POPULAR
FERROLI HAWK
FERROLI OPTIMA 1000
FERROLI OPTIMA 200
FERROLI OPTIMA 2000
FERROLI OPTIMA 700
FERROLI OPTIMA 800
FERROLI OPTIMA 900