The water heater is basically a water tank that includes a system that would heat water, normally based on electricity. At the same time, it includes a thermostat and a resistance included. The isolation will allow water temperature to remain constant. A water heater usually includes a ceramic vessel that are protected from water corrosion and foam injection so that isolation between the outer envelope and the tank also appears.

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When learning how electric water heaters work, it is important to understand that we are talking about a device that is under pressure and that can be quite dangerous if problems appear. It is a really good idea to be sure that you go through a proper maintenance program and that you understand as much as possible about the device. Most people use it since it is cost effective but that is not always the case. You will need to choose carefully.

Maintenance
Monthly checks are usually necessary. You can do those alone, without a professional. The situation in which you have to do a complete check thanks to the services of a professional appears once per year. In the event that you notice that there is something wrong with the system (water does not heat up properly or pressure is low), talk with professionals. Based on the model that is chosen, you will need to think about various extra maintenance tasks that would be necessary.

Model Differences
We have access to various electric water heaters at the moment. Materials used in the construction do vary so you will want to learn all that you can about them. When referring to resistance included, you will be faced with two options:

• Immersion water heater – in this case the resistance will be in a direct contact with the water inside the tank. Fast heating is the main advantage of such an electric heater and the entire water quantity is heated at the same time.

• Soapstone – in this situation we see the resistance inside a sleeve with enamel. It is not in direct contact with the water. The advantage in this case is that the resistance is protected from lime scale appearance. Emptying tanks is not a necessity when you have to check the resistance.

A electric water heater will use 2 operation principles. One will see the tank always being full. Hot water will be used as soon as needed and what is used is replaced by cold water. The second option is the one in which hot water remains in a reserve.

By: Ann Jason

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