Just had my DE filter replaced with a cartridge filter. The pipes going to the motor have three valves. Since the replacement I am losing water and can't remember which of the valves should be open and which should be closed. I believe one is for the vacuum system which I don't need, one is for the skimmer, and one for the main drain (can't remember which is which though). The two valves on the right regulate whether I am using the returns or the in-ground cleaning system. I have no problem with that.
Water – How to figure out which valves should be open
poolwater
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Best Answer
Losing water? As in your water level is going down? That is not a problem with valve position. You've got a leak somewhere and a professional needs to address that.