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Anthony JonesSep 12, 2025
Why is the water temperature low on my Kärcher HDS 2.0/10 Ed Cage Pressure Washer?
- KKristen MartinezSep 12, 2025
Low water temperature in your Kärcher Pressure Washer can stem from several causes. It could be due to improper fuel or water in the fuel, in which case you should drain the fuel tank and replace it with the proper fuel. Low fuel pressure might also be the issue, so increase the fuel pressure. A weak fuel pump could be the cause; check the fuel pump temperature and replace the pump if needed. A partially clogged fuel filter can also lead to low water temperature, so replace it as needed. Soot build-up on the coils or lime build-up on the coils can also reduce water temperature, so clean the coils with soot remover or coil cleaner, respectively. Lastly, an improper burner nozzle could be the problem; call technical service for the proper size.