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Old 01-05-2011, 12:44 PM   #1
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Rheem On Demand Water Heater

I installed an on demand hot water heater 9 months ago Rheem brand. Over the past 2 weeks when I have tried to run bath water I could only get a few seconds of hot water. I unplugged it the first time and it seemed to heat the water again but last night it did the same thing. I wasn't able to get anymore than a few seconds of hot water. I have only had this issue with running a bath, not a shower. Does anyone have any ideas?


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Old 01-05-2011, 03:30 PM   #2
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Rheem On Demand Water Heater

Somewhere inside there is a water pressure or flow sensor that turns the heater on. Check that to see how well it is working. Clogging with sediment is not unusual.


Do you get coverage you can count on? From the bag of fertilizer? From your lawn sprinklers?
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