Tuesday, September 23, 2014

How To Know When Water Heater Replacement Is Needed

By Karina Frost


Hidden away in utility closets or basements, water heaters are taken for granted until they malfunction. Their average lifespan is around a decade, depending on maintenance regularity and unit design. Slowly developing problems are easily ignored, until the shock of a freezing shower makes them obvious. Knowing whether repairs or water heater replacement is necessary before the inevitable crisis occurs saves time, money, and irritation.

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.

It may be unsettling to find a thick layer of sediment in the tank, but that is common in many areas. Long-term connections allow small bits of suspended soil fragments to collect, eventually degrading the metal surface, and commonly resulting in overheating. Regular tank flushing can solve the problem, but if that has not been performed for years, a professional flushing may be necessary.

Additional common symptoms include strange odors, or odd rumbling or clicking noises accompanied by a high-pitched whining. These may be hard to pinpoint and eliminate, but usually indicate that the unit is on the brink of malfunctioning. They are also related to sediment build-up, and flushing them out may be the solution. In some cases, the tank needs to be replaced.

Even when there are no overt signs of impending malfunction, replacement will be reflected by the monthly energy bill. Although different regions use a variety of energy sources, a heater accounts for nearly one-quarter of the cost. An old unit may work adequately, but at far greater energy consumption. A modern, efficient model saves money and cuts carbon emission levels.

Tankless heaters are worth considering as an alternative to the traditional cylinder. They heat only when necessary. Rather than being stored, water is warmed as it passes through, providing a regulated supply of up to five gallons per minute. Larger households may find this restrictive, but without a bulky tank, more than one heater can be installed, solving the capacity issue.

Some homeowners in White Hall MD install new heaters themselves, but most find the project beyond their skills. Even though the new unit should theoretically be easy to fit, doing so may require experience with solvent welding or soldering. People who do not have the time, tools, or even patience to do the job usually call a reliable heating and plumbing service, who will complete the work properly.




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