This part fits
Worcester GREENSTAR 12I FSN NG
Worcester GREENSTAR 12I FSP LPG
Worcester GREENSTAR 24I FSN NG
Worcester GREENSTAR 24I FSP LPG
Worcester GREENSTAR 24I JUNIOR
Worcester GREENSTAR 24I JUNIOR
Worcester GREENSTAR 25SI FSN NG
Worcester GREENSTAR 25SI FSP LPG
Worcester GREENSTAR 28I JUNIOR
Worcester GREENSTAR 28I JUNIOR
Worcester GREENSTAR 30SI FSN NG
Worcester GREENSTAR 30SI FSP LPG