| Zones | Room/ Water Heater |
|---|---|
| North East | No |
| East North East | No |
| East | Yes |
| East South East | No |
| South East | Yes |
| South South East | Yes |
| South | Yes |
| South South West | No |
| South West | No |
| West South West | No |
| West | Yes |
| West North West | Yes |
| North West | No |
| North North West | No |
| North | No |
| North North East | No |