This part fits the following boilers:
| Fits Appliance(s) | GC No. | |
| Baxi Combi 105E | - | 47-075-08 |
| Baxi Combi 105HE | - | 47-075-18 |
| Baxi Combi 80 Eco | - | 47-075-05 |
| Baxi Combi 80 Maxflue | - | 47-075-07 |
| Baxi Combi 80E | - | 47-075-06 |
| Baxi System 35/60 | - | 41-075-18 |
| Baxi System 60/100 | - | 41-075-19 |
| Main Combi 24 | - | 47-474-01 |
| Main Combi 24 HE | - | 47-474-02 |
| Main Combi 30HE | - | 47-474-03 |
| Main 18 HE System | - | 41-467-01 |
| Main 24 HE System | - | 41-467-02 |
| Main 28 HE System | - | 41-467-03 |
| Potterton Performa 12 HE System | - | 41-591-24 |
| Potterton Performa 18 HE System | - | 41-591-25 |
| Potterton Performa 24 | - | 47-393-06 |
| Potterton Performa 24 Eco HE | - | 47-393-11 |
| Potterton Performa 24 Eco HE 2 Composite Block | - | 47-393-25 |
| Potterton Performa 24 HE System | - | 41-591-26 |
| Potterton Performa 28 | - | 47-393-07 |
| Potterton Performa 28 HE System | - | 41-591-27 |
| Potterton Performa 30 HE | - | 47-393-13 |
| Potterton Performa System 12e | - | 41-590-88 |
| Potterton Performa System 18e | - | 41-590-89 |
| Potterton Performa System 24e | - | 41-590-90 |
| Potterton Performa System 28e | - | 41-590-91 |