Loss of hot water during shower with an electric tankless water heater
The heater was replaced once. This was a new installation in November 2016. I've been told this is due to water pressure. We are on a well with a jet pump. A plumber came and looked at it and raised the pressure. It seems to be a little better but I didn't make it through my shower.
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Answers & Comments
You are using the hot water at a faster rate than your tankless unit can provide. Either get a more powerful unit or reduce the amount of water flow thru the unit during the duration of shower.