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How does and electric shower work

How does an Electric shower work?

Electric showers require an electrical connection and a cold-water supply. The cold water will pass through the shower unit and be heated by a heating element. The heating element will become warmer when powered by the electricity and when the cold water passes it will pick up the heat and exit through the shower head. It’s best to think that electric showers have very similar functions to the that of a house hold kettle. The water is heated up inside the unit by a heating element which is powered by electricity, providing the hot water.

How an electric shower works

The Pros

Electric showers are the perfect option for smaller accommodation such as mobile homes, flats and secondary bathroom in an existing home. This is because they require minimal adjustments to the existing plumbing system and will not affect the hot water supply. The great thing about electric showers is that because they have an electrical supply the hot water is almost instantaneous when turning the shower on. Electric showers act as a self-containing unit, heating and pumping the water making the showering experience more efficient. This also means that the unpleasant change in temperature when someone is using the shower and the hot tap at the same time is lost with an electric shower.

The Cons

A common misconception is that an electric shower is a power shower this is incorrect. An electric shower uses mains pressure which is then reduced by the heating element. The lower the water temperature the more work the heating element has to do which then results in poor pressure from the shower, so if you’re looking for a high pressure shower an electric shower may not be the best option. Electric showers can be expensive to get installed if you don’t already have the power supply in place already as you will need to get a 10mm cable installed from the fuse board to the shower location.

 

Safety

The heating element is completely sealed within the unit and the electricity has no contact with the water. Installing an electric shower will require an up to date fuse board that is capable of providing a current rated over 60 amps. Another specification for an electric shower is making sure you have a residual current device (RCD). This could be part of the current fuse board or a separate unit which is able to interrupt the showers electrical circuit should a fault occur.

 

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