Having an issue since opening my pool a few weeks ago. When on recirculate the pool has really good pressure and maintains prime however when in filter the return jet looses pressure within a few hours and the pressure gauge on the filter will rise 10psi and the skimmer basket looses its prime. The filter grids are glean and only a year old I have a brand new motor and multiport valve. I don't see an air leak anywhere. it's a Hayward de filter. I'm getting pretty frustrated since I can't seem to find the issue. Any help would be much appreciated.
Pool filter works fine on recirculate but dies off on filter setting
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- Last Post 15 August 2019
I'm having the same exact issue, Hayward DE filter only a year old.
i have noticed some air bubbles under the black enclosed basket near the diverted valve, im thinking there may be a suction leak, the pool guys think it's a pressure switch. I think they're wrong. Can we bump this up for some attention?
Assuming the filter is clean in all of these scenarios, my suggestion would be to correct the air leak issues. Common spots for air leaks is the pump lid o-ring, intake fitting, and seals in the diverter valves.
You may find the following article and video helpful.