1、Ialtherm wall fuel boilers models: CITY CLASS 20 FR CITY CLASS 12 F CITY CLASS 16 F CITY CLASS 18 F CITY CLASS 20 F CITY CLASS 25 F CITY CLASS 25 FR 2、ariston and chaffoteaux wall gasoline boilers: BS 24 FF BS II 15 FF BS II 24 FF Clas 24 ff (from 01) Clas B 24 FF Clas B Evo 24 FF Clas System 15 FF Clas components 24 ff (since 01) Egis Plus 24 FF Genus 24 ff (from 01) Genus Evo 24 FF Matis 24 FF Alixia 18 FF Alixia 24 FF Alixia S 15 FF Alixia S 18 FF Alixia S 24 FF Niagara C 25 FF Pigma 25 FF Pigma Evo 25 FF Pigma Evo System 25 FF Talia 25 FF Talia System 25 FF