- Aug 22, 2010
- 66
Hi All: A few days ago I noticed my 3 way valve was not open to allow for flow to my solar panels. It was plenty hot out and they should have been on. A few questions. What is the best way to test the solar temp sensor? Also is there anything else that could be preventing it from opening? I have the jandy aqualink and everyting is turn on the temp is set correctly. Thanks for your help.