Comment Comment by Someone > you can change the top end by lowering the temperature of your hot water heater. We have ours set at 120I’m not sure that’s a good idea. 120F is in the danger zone for Legionnaires' disease. https://en.wikipedia.org/wiki/Legionnaires%27_disease#Preven...:“Keep water temperature either above or below the 20–50 °C (68–122 °F) range in which the Legionella bacterium thrives.” parent Someone 3 years ago
I’m not sure that’s a good idea. 120F is in the danger zone for Legionnaires' disease. https://en.wikipedia.org/wiki/Legionnaires%27_disease#Preven...:
“Keep water temperature either above or below the 20–50 °C (68–122 °F) range in which the Legionella bacterium thrives.”