Does water boil inside the water heater?
Sometimes i heat with propane and other times electric. I notice on electric i will be hanging out and hear what sounds like boiling water. It comes from the water heater. I turn on the water pump and...
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Same Thing. I have a 1,500 watt kettle from around 30 seconds until just before boiling a knocking rattle can be heard. Then just before boil it goes silent.
