15th
May
2007
Tankless Water Heaters
Tankless (a.k.a. demand or instantaneous) water heaters provide hot water only as it is needed instead of continuously heating a reserve tank of water as with conventional water heaters.
The basics of how they work:
1) Water enters the heater. 
2) A water flow sensor detects the water flow.
3) The computer automatically ignites the burner.
4) The water circulates through the heat exchanger (coil).
5) The heat exchanger instantly heats the water at the designated temperature
(this takes only 5 seconds).
6) The heater can provide you with endless hot water continuously.
7) When the hot water tap is turned off, the unit shuts down automatically.
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