Forum Discussion
wanderingaimles
Mar 07, 2020Explorer
Tankless water heaters require a certain minimum flow rate to turn on and stay on. Try opening the hot water in the bathroom sink about a quarter of the way, and with that flowing turn on the shower.
If it is hot and stays that way you may want a higher flow showerhead.
If it is hot and stays that way you may want a higher flow showerhead.
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