This part fits the following boilers:
| Fits Appliance(s) | GC No. | |
| Baxi 212 Heat Only | - | 41-470-45 |
| Baxi 215 Heat Only | - | 41-470-46 |
| Baxi 218 Heat Only | - | 41-470-47 |
| Baxi 224 Heat Only | - | 41-470-48 |
| Baxi 230 Heat Only | - | 41-470-49 |
| Baxi 412 Heat Only | - | 41-470-50 |
| Baxi 415 Heat Only | - | 41-470-51 |
| Baxi 418 Heat Only | - | 41-470-52 |
| Baxi 424 Heat Only | - | 41-470-53 |
| Baxi 430 Heat Only | - | 41-470-54 |
| Baxi Advance Heat Only 13 | - | 41-470-07 |
| Baxi Advance Heat Only 16 | - | 41-470-08 |
| Baxi Advance Heat Only 19 | - | 41-470-09 |
| Baxi Advance Heat Only 25 | - | 41-470-10 |
| Baxi Advance Heat Only 30 | - | 41-470-11 |
| Baxi Ecoblue Heat 12 | - | 41-470-02 |
| Baxi Ecoblue Heat 15 | - | 41-470-03 |
| Baxi Ecoblue Heat 18 | - | 41-470-04 |
| Baxi Ecoblue Heat 21 | - | 41-470-05 |
| Baxi Ecoblue Heat 24 | - | 41-470-06 |
| Baxi 12 Heat Only ERP | - | 41-470-29 |
| Baxi 15 Heat Only Ecoblue ERP | - | 41-470-30 |
| Baxi 18 Heat Only Ecoblue ERP | - | 41-470-31 |
| Baxi 21 Heat Only ERP | - | 41-470-32 |
| Baxi 24 Heat Only Ecoblue ERP | - | 41-470-33 |
| Baxi Advance Heat Only 13 ERP | - | 41-470-34 |
| Baxi Advance Heat Only 16 ERP | - | 41-470-35 |
| Baxi Advance Heat Only 19 ERP | - | 41-470-36 |
| Baxi Advance Heat Only 21 ERP | - | 41-470-55 |
| Baxi Advance Heat Only 25 ERP | - | 41-470-37 |
| Baxi Advance Heat Only 30 ERP | - | 41-470-38 |
| Baxi 15 Heat Only | - | 41-470-15 |
| Baxi 18 Heat Only | - | 41-470-16 |
| Baxi 24 Heat Only | - | 41-470-17 |
| Baxi 15 Heat Only Erp | - | 41-470-40 |
| Baxi 18 Heat Only ERP | - | 41-470-41 |
| Baxi 24 Heat Only ERP | - | 41-470-42 |
| Baxi Precision Heat | - | 41-470-39 |
| Main Eco Compact 15 Heat | - | 41-467-40 |
| Main Eco Compact 18 Heat | - | 41-467-41 |
| Main Eco Compact 24 Heat | - | 41-467-42 |
| Main Eco Compact 30 Heat | - | 41-467-43 |
| Potterton Heat 13 | - | 41-592-66 |
| Potterton Heat 16 | - | 41-592-67 |
| Potterton Heat 19 | - | 41-592-68 |
| Potterton Heat 25 | - | 41-592-69 |
| Potterton Heat 30 | - | 41-592-70 |
| Potterton Titanium Heat 12kW Serial No. Ending in AC | - | 41-592-61 |
| Potterton Titanium Heat 12kW Serial No. Ending in BC | - | 41-592-61BC |
| Potterton Titanium Heat 15kW Serial No. Ending in AC | - | 41-592-62 |
| Potterton Titanium Heat 15kW Serial No. Ending in BC | - | 41-592-62BC |
| Potterton Titanium Heat 18kW Serial No. Ending in AC | - | 41-592-63 |
| Potterton Titanium Heat 18kW Serial No. Ending in BC | - | 41-592-63BC |
| Potterton Titanium Heat 24kW Serial No Ending in AC | - | 41-592-64 |
| Potterton Titanium Heat 24kW Serial No. Ending in BC | - | 41-592-64BC |
| Potterton Titanium Heat 30kW Serial No. Ending in AC | - | 41-592-65 |
| Potterton Titanium Heat 30kW Serial No. Ending in BC | - | 41-592-65BC |
| Potterton Ultra Heat 12kW ERP | - | 41-592-56 |
| Potterton Ultra Heat 15kW ERP | - | 41-592-57 |
| Potterton Ultra Heat 18kW ERP | - | 41-592-58 |
| Potterton Ultra Heat 21kW ERP | - | 41-592-59 |
| Potterton Ultra Heat 24kW ERP | - | 41-592-60 |