Illustration of a domestic central heating circuit. A pump (green) drives cold water into the boiler (left). The boiler heats the water which then passes through pipes to the radiators, delivering heat around the house. The cooling water then passes back to the boiler to be heated again. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4181 px × 4181 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |