Is a rumbling water heater dangerous?
Is a rumbling water heater dangerous? This is the source of the rumbling. So is this an actual problem? Yes. First, the sediment layer makes it more difficult for the heat exchanger to effectively transfer heat into the tank, and this will cause a significant drop in the system's energy efficiency. Why does it sound like water is in my heater? A bubbling or gurgling water sound coming from your indoor AC or furnace unit is usually an indication of a pressure issue. Improper internal pressure could be due to an overcharge of refrigerant (too much). It could also be...