Working principle of water heaters
A water heater is a device used to heat water for domestic purposes.
It is mainly used:
1. To take a bath
2. To wash dishes
3. To wash your hands
There are different types of water heaters:
1. Electric
2. Gas
3. Solar powered
Water heaters can come in different sizes and capacities, depending on the volume of water that needs to be heated.

Working principle:
- Electric: Uses electricity to heat water.
- Gas: Burns natural gas or propane to heat water.
- Solar: uses solar energy to heat water.
Types :
- Tank-type: stores and heats large amounts of water.
- Instantaneous: Heats water on demand.
Advantages and disadvantages:
- - Electric: Easy to install, but can consume a lot of electricity.
- - Gas: effective, but requires proper ventilation.
- - Solar: environmentally friendly, but the initial investment is high.

Energy efficiency:
- Modern models are often equipped with energy-saving features.
- Solar heaters are the most energy efficient in the long run.
Care:
Regular maintenance is essential for efficiency and long-lasting performance.
Limescale buildup can be a problem, especially in regions with high water hardness.
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