Design
| Gas inspection label |
SV |
| Boiler type (NL label) |
HR |
| HR inspection label class |
107 |
| Fuel type |
Natural gas |
| Type |
Tankless (instantaneous) |
| Heater location |
Indoor |
| Boiler system |
Solo boiler system |
Nefit TopLine HR 45. Type: Tankless (instantaneous), Boiler system: Solo boiler system, Heater location: Indoor