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Question DetailsAsked on 5/24/2015

My swimming pool pump pressure is high, we've cleaned all the filters. What else could it be?

We are trying to get our in ground swimming pool ready for the summer. The pomp pressure is high, there is very little pressure at the returns in the pool. We have cleaned the filters. What else could it be?

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1 Answer


Sounds like you might need a pool equipment technician or possibly a plumber to check it out. Likely causes, sort of in order of likelihood:

1) plugged or compacted sand filter, if you have a sand or diatamaceous earth final filter tank

2) a shutoff valve that got partly closed

3) a ruptured line on the discharge/return side of the pump due to freezing, so the pump is moving the warter but it is going into the ground instead of back to the pool

4) not knowing where you are and how deep your lines are buried, is there a chance the discharge lines are partly frozen still because the ground has not fully thawed out ?

If you have drain valves or easy to disconnect threaded connections in the return line, I would start at the pump and open them up in sequence, working from pump to pool, till you find one that does NOT flow forcefully - then blockage is between that one and the prior one that did flow well.

Answered 5 years ago by LCD

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