ScottPool Posted May 9, 2021 Report Share Posted May 9, 2021 Hi - I have an inground pool and separated (but connected) inground spa. The spa is a few inches higher in elevation than the pool. They are running off of the same pump/equipment. I have an issue where spa is overflowing when pump is running for the pool. When finished, the spa then drains to a level equal to the pool (which is too low). Is this a check valve issue - if so I am not clear if I have one or where it's located? Is an adjustment needed in the Jandy valves? I have attached picture of pool and plumbing/equipment layout. Thx Scott IMG_1944.HEIC IMG_1945.HEIC IMG_1946.HEIC Quote Link to comment Share on other sites More sharing options...
ScottPool Posted May 9, 2021 Author Report Share Posted May 9, 2021 Here are pictures again... Scott Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted May 9, 2021 Report Share Posted May 9, 2021 Sounds like an issue with a jandy valve to me. @jimmythegreek, @Pool Clown, any advice? Quote Link to comment Share on other sites More sharing options...
Pool Clown Posted May 26, 2021 Report Share Posted May 26, 2021 Or a clog/restriction in the overflow pipes from the spa to the pool? Do you have overflow lines to the pool? There should be a check valve in the return line back to the spa (If that is the design). Or perhaps the spa is supposed to run independent every day (for a short time) isolated from the pool to keep it clean. Did you just buy this house? A picture from the other direction may help (taken from the heater end) to show the return valve better. Quote Link to comment Share on other sites More sharing options...
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