WSE47-20 Solar Water Heating System

Checkout the diagram below

The water is pumped into the the cold inlet of the WSE47-20 using our FL30 pump ( this can also be your supply for pressurized cold water to your cabin) . The FL30 will run till the tank is full and float valve turns off. The FL30 then turns off when the pressure builds to approximately 25 psi. Note the WSE47-20 is designed as a low pressure system, so unit must be vented as per above picture.

If you are away from cabin for extended periods, the system will actually boil dry, so the vent should be a copper pipe

Float Switch

 

A second FL30 is connected to the hot water outlet. This pump pressurizes your hot water line so you have pressurized hot water at the turn of a tap.

12Volt FL30

Optional Use

The solar water heater at the cabin above also uses the excess heat to heat wood burning hot tub. An inexpensive controller monitors the heat of the system, once the temperature reaches a preset value, the WSE three way valve is activated and the excess heated water is dumped into the hot tub, once the water temperature is below preset temperature the water is turned off.

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