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Yes and no. One hole, the one to the rear of the skimmer goes directly to the pump. This also acts as your vacuum hose port for vacuuming the pool. The other comes up from the main drain. Covering both of those ports should be a float valve type of an assembly. One of the purposes of the float valve is that when and if the water level gets too low in the pool then the float in the valve assy. seats and will then let water flow in to the pump directly from the main drain. Hope this is satisfactory.

Ken

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16y ago
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12y ago

you shouldn't be plugging any holes at the opening! that's when u REMOVE plugs. If you meant pool closing you plug the one that has the suction. usually one of the 2 holes is caped off a few inches down. Only one hole runs to the pump.

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Q: There are 2 holes in the bottom of your inground pool skimmer which one should be plugged when opening your pool?
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