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Green Energy Living

Posts: 33
Reply with quote  #1 
can somebody refer me to a snap disc switch that I can use on the back of my solar hot water panel that turns on when it reaches a temperature of 100 degrees or more? It's for a 120 volt pump. Thank you.


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Posts: 3,030
Reply with quote  #2 
They're everywhere. Google "snap disk fan control"

This is programmable: https://www.ink-bird.com/products-temperature-controller-itc308.html

However for a water system with storage I think you need a differential controller that compares the collector temperature with the storage temperature, and only turns on the pump if the collector is warmer than storage. https://www.wolfautomation.com/dif-temp-controller-for-solar-heating-44845/?gclid=EAIaIQobChMI3c7B5aOW5wIVhZOzCh2C5QhbEAQYCCABEgJVDPD_BwE

Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
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