vrv

Hi, Long time reader, first time poster. A very long story short, basically our in ground pool had a leak. Turned out to be in the solar return lines to the pool. The contractors fixed the leak by merging the filter & solar into one system with a three way valve from the pump. This was great...

How do you know if the vacuum relief valve (VRV) is not actually relieving? We used rubber elbows to match the rubber couplings in the roof/panel plumbing. The VRV is in the return line high point (left side, red circle), but when the pump turns off for the day, the high point rubber elbow...