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I have an all manual system and when the solar valve is on we continue to get air bubbles in the return lines. I replaced the vacuum release valve on the system. If I turn off the solar the bubbles will go away. It seems like an air leak as the pump has had trouble priming with the system on a...

Hello, I am new to the forum. I have an inground pool with a Hayward variable speed pump, a pentair filter and a solar heating system. I am having an issue with the solar heating. The pump will not prime when the solar is turned on. If I close that valve and "turn off" the solar the pump...