Nothing lasts forever, no matter how well it is made. However, regular maintenance has been proven to extend the life of machinery and equipment, and hot water systems are no exception.
There are simple maintenance procedures that will keep your hot water system operating more efficiently for longer. Usually they are in the instruction manual which most of us don’t bother to read.
One of them concerns the water that is drawn into the heating unit. The minerals in the water settle onto the bottom and build up over time, reducing the unit’s operating efficiency. They also cause the unit to rust over time so that it needs replacing earlier than usual.
To counter this problem, most tank-based systems have a metal rod known as a sacrificial anode, hanging down inside the tank. This rod is made from aluminium or manganese and coated with zinc. The sacrificial anode attracts these impurities and instead of the tank itself deteriorating over time, the anode does.
Routinely replacing this anode as and when necessary is an important part of maintenance. It is just one of the common maintenance tasks we can perform to keep your system operating effectively.
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