Monday, September 22, 2014

How To Know When Water Heater Replacement Is Necessary

By Karina Frost


Water heaters spend most of their lives hidden in basements or utility rooms, and are usually taken for granted until they develop a problem. They last around a decade, depending on their design and maintenance schedule. Slow-developing issues can be ignored easily, until the shower turns icy cold. Determining whether water heater replacement is needed before an unnecessary crisis creates chaos makes sense.

Unless do-it-yourself maintenance is a strong point, units commonly escape regular inspection. Visible leaks around the base are a sign of trouble that is hard to miss. The situation can rapidly evolve into an expensive and damaging flood if the seals fail completely. When excess moisture routinely appears in the same place around the heater, it should be turned off immediately.

If household members usually take a shower without turning the cold tap on, then the unit is probably not heating at full capacity. When the problem is not due to higher than normal demand, it may be related to failing internal heating elements or power connections, primarily issues with electrically powered units. If the unit routinely recovers in a hour, it simply may not have enough capacity for current use patterns.

Sediment that builds up inside is disturbing to see, but a very common phenomenon. When connected for long periods, microscopic bits of soil collect in the bottom of the tank, degrading the metal and sometimes resulting in overheating. Yearly flushing helps avoid this issue, but if that has not been standard practice, professional flushing performed by a plumber may be needed.

Another sign of potential trouble includes odd clicking or rumbling sounds, or a constant, high-pitched whine. There may even be unpleasant odors. They are hard to isolate and correct, even when they occur regularly. Also linked to sediment buildup, the noises and smells are sometimes eliminated by flushing. In some cases, however, the tank needs replacing.

Even when no obvious problems present themselves, replacement can be a good plan. Heaters account for nearly a quarter of the average monthly energy bill, regardless of the source being used. An old unit may still do the job, but at a much higher cost. The installation of an energy-efficient appliance saves money each month, while cutting down on carbon emissions.

One alternative is the tankless heater, designed to eliminate traditional storage. Instead of being kept inside a tank, water is heated directly as it passes through, and can provide a flow up to five gallons each minute. That amount may not adequately serve a large household, but without the tank, more than one unit can easily and economically be installed, creating enough capacity.

Some residents of White Hall MD replace their own units, but many homeowners find the prospect daunting. While a new appliance theoretically should fit the old connections, threading them can require knowledge of soldering or solvent welding. Those lacking the tools, time, and patience to do it themselves usually call a local plumbing and heating expert, who can do the job quickly and efficiently.




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