Rheem hot water heaters encounter several recurring maintenance issues as they age, primarily related to water quality and electrical or gas component wear. Mineral scale and sediment accumulation at the bottom of storage tanks create loud popping noises and insulate water from the burner or heating elements, reducing overall energy efficiency. Thermocouple degradation, electronic control board glitches, and faulty gas valves frequently plague gas units, while burned-out heating elements and tripped high-limit switches affect electric tanks. Additionally, pressure relief valve leaks can occur if household water pressure spikes, and depleted anode rods will eventually leave the steel tank vulnerable to internal rust and structural water leaks.
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