New Ball Valve for Thermo-syphoning

Mike KehoeCirculating Pumps, Pumps

CWX Electronic Ball Valve - solar panels for water pumps

Many people that use hot water systems have to deal with thermo-syphoning. When the sun goes down, the warm water in the house rises to the top of the solar connectors, which causes the cold water to collect back down in the house. If this is something that happens to you, the CWX Electronic Ball Valve is the perfect solution.


The valve opens when the sun rises, with only a small amount of electrical current. When the sun goes down, the valve closes, making sure you have warm water when you need it. 

CWX Electronic Ball Valve
CWX Ball Valve

The CWX Ball Valve pairs with our S5 Solar Hot Water Pump.

If you have any questions or doubts about our ball valve for thermo-syphoning, feel free to contact us. We’d be happy to help you find the answers you need.

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Read about our Replacement RV Pumps and a review of our El SID replacement pump.