This part fits the following boilers:
| Fits Appliance(s) | GC No. | |
| Ariston Clas 21 FF System | - | 41-116-27 |
| Ariston Clas 28 FF System | - | 41-116-28 |
| Ariston Clas HE 18 System (Edition 5 - 9/11/2010) | - | 41-116-26 |
| Ariston Clas HE 18 System (Edition 7 - 30/08/2011) | - | 41-116-26 EDITION 7 |
| Ariston Clas HE 24 (Edition 5 - 9/11/2010) | - | 47-116-51 |
| Ariston Clas HE 24 (Edition 7 - 30/08/2011) | - | 47-116-51 EDITION 7 |
| Ariston Clas HE 24 System (Edition 5 - 9/11/2010) | - | 41-116-22 |
| Ariston Clas HE 24 System (Edition 7 - 30/08/2011) | - | 41-116-22 EDITION 7 |
| Ariston Clas HE 30 (Edition 5 - 9/11/2010) | - | 47-116-52 |
| Ariston Clas HE 30 (Edition 7 - 30/08/2011) | - | 47-116-52 EDITION 7 |
| Ariston Clas HE 30 System (Edition 5 - 9/11/2010) | - | 41-116-23 |
| Ariston Clas HE 30 System (Edition 7 - 30/08/2011) | - | 41-116-23 EDITION 7 |
| Ariston Clas HE 38 (Edition 5 - 9/11/2010) | - | 47-116-53 |
| Ariston Clas HE 38 (Edition 7 - 30/08/2011) | - | 47-116-53 EDITION 7 |
| Ariston Clas HE Evo 24 | - | 47-116-65 |
| Ariston Clas HE Evo 30 | - | 47-116-66 |
| Ariston Clas HE Evo 38 | - | 47-116-67 |
| Ariston Clas HE Evo System 18 | - | 41-116-36 |
| Ariston Clas HE Evo System 24 | - | 41-116-37 |
| Ariston Clas HE Evo System 30 | - | 41-116-38 |
| Ariston E Combi 24 FF (Edition 1 - 02/06/2008) | - | 47-116-62 |
| Ariston E Combi 24 FF (Edition 4 - 30/08/2011) | - | 47-116-62 EDITION 4 |
| Ariston E Combi 30 FF (Edition 1 - 02/06/2008) | - | 47-116-63 |
| Ariston E Combi 30 FF (Edition 4 - 30/08/2011) | - | 47-116-63 EDITION 4 |
| Ariston E Combi 38 FF (Edition 1 - 02/06/2008) | - | 47-116-64 |
| Ariston E Combi 38 FF (Edition 4 - 30/08/2011) | - | 47-116-64 EDITION 4 |
| Ariston E Combi Evo 24 | - | 47-116-68 |
| Ariston E Combi Evo 30 | - | 47-116-69 |
| Ariston E Combi Evo 38 | - | 47-116-70 |
| Ariston E System 24 (Edition 4 - 30/08/2011) | - | 41-116-34 EDITION 4 |
| Ariston E System 30 (Edition 4 - 30/08/2011) | - | 41-116-35 EDITION 4 |
| Ariston E System Evo 24 | - | 41-116-39 |
| Ariston E System Evo 30 | - | 41-116-40 |
| Ariston Genus HE 24 (Edition 5 - 9/11/2010) | - | 47-116-54 |
| Ariston Genus HE 24 (Edition 7 - 30/08/2011) | - | 47-116-54 EDITION 7 |
| Ariston Genus HE 24 System (Edition 5 - 9/11/2010) | - | 41-116-24 |
| Ariston Genus HE 24 System (Edition 7 - 30/08/2011) | - | 41-116-24 EDITION 7 |
| Ariston Genus HE 30 (Edition 5 - 9/11/2010) | - | 47-116-55 |
| Ariston Genus HE 30 (Edition 7 - 30/08/2011) | - | 47-116-55 EDITION 7 |
| Ariston Genus HE 30 System (Edition 5 - 9/11/2010) | - | 41-116-25 |
| Ariston Genus HE 30 System (Edition 7 - 30/08/2011) | - | 41-116-25 EDITION 7 |
| Ariston Genus HE 38 (Edition 5 - 9/11/2010) | - | 47-116-56 |
| Ariston Genus HE 38 (Edition 7 - 30/08/2011) | - | 47-116-56 EDITION 7 |