Hot water systems typically last 8 to 12 years. If yours is approaching that age and showing problems, replacement may be more cost-effective than repeated repairs.
Key signs include rusty or discoloured water, rumbling or banging noises from the tank, water pooling around the base, inconsistent temperature, or no hot water at all. A leaking tank usually means the system has corroded from the inside and needs replacing.
Frequent repairs are another sign — if you're calling a plumber every few months, the cumulative cost may exceed the price of a new system.
A plumber can assess your system and advise whether a repair or replacement is the better investment. New systems are also more energy-efficient, saving you money on running costs.
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