This part fits:
Worcester Greenstar 30SI FSN NG Combi
Worcester Greenstar ErP System 9I
Worcester Greenstar ErP System 12I
Worcester Greenstar ErP System 15I
Worcester Greenstar ErP System 18I
Worcester Greenstar ErP System 21I
Worcester Greenstar ErP System 24I
Worcester Greenstar ErP 25I
Worcester Greenstar ErP 30I
Worcester Greenstar ErP Classic 29 CDI
Worcester Greenstar ErP Classic 29 CDI LPG
Worcester Greenstar ErP Classic System 30 CDI
Worcester Greenstar ErP Classic 34 CDI
Worcester Greenstar ErP Classic 34 CDI LPG
Worcester Greenstar ErP Classic System 35 CDI
Worcester Greenstar ErP Classic System 35 CDI
Worcester Greenstar ErP Classic 38 CDI
Worcester Greenstar ErP Classic 38 CDI LPG
Worcester Greenstar ErP Classic 42 CDI
Worcester Greenstar ErP Classic 42 CDI LPG