This part fits the following boilers:
| Fits Appliance(s) | GC No. | |
| Ariston Clas HE R 12 | - | 41-116-30 |
| Ariston Clas HE R 18 | - | 41-116-31 |
| Ariston Clas HE R 24 | - | 41-116-32 |
| Ariston Clas HE 18 System (Edition 5 - 9/11/2010) | - | 41-116-26 |
| Ariston Clas HE 24 (Edition 5 - 9/11/2010) | - | 47-116-51 |
| Ariston Clas HE 24 System (Edition 5 - 9/11/2010) | - | 41-116-22 |
| Ariston Clas HE 30 (Edition 5 - 9/11/2010) | - | 47-116-52 |
| Ariston Clas HE 30 System (Edition 5 - 9/11/2010) | - | 41-116-23 |
| Ariston Clas HE 38 (Edition 5 - 9/11/2010) | - | 47-116-53 |
| Ariston Genus HE 24 (Edition 5 - 9/11/2010) | - | 47-116-54 |
| Ariston Genus HE 24 System (Edition 5 - 9/11/2010) | - | 41-116-24 |
| Ariston Genus HE 30 (Edition 5 - 9/11/2010) | - | 47-116-55 |
| Ariston Genus HE 30 System (Edition 5 - 9/11/2010) | - | 41-116-25 |
| Ariston Genus HE 38 (Edition 5 - 9/11/2010) | - | 47-116-56 |