วันพุธที่ 1 สิงหาคม พ.ศ. 2550

Electric showers

Electric showers also called Tankless or On-Demand Water Heaters
These provide hot water right when you need it, without storage tank that using electricity, gas, or propane as a heat source.



Inside the Electric showers




How an electric shower works

Water heating is a thermodynamic process using an energy source to heat water.

1. When turn off the switch, cold water will enters to the heater by passing the flow sensor that detects the water flow.
2. Then the computer automatically ignites the burner.
3. Water will flow to the heater that the tank water heater tends to heat the water in the surrounding piping by virtue of convection.
4. The water temperature can change to suit the desire of the user by the remote thermostats.
5. When the switch is turn off, the unit shuts down.


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