Unsure what these are for

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arizona_pool
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Joined: Thu 20 Jun, 2019 19:18
My Pool: Inground, 12 x 18ft, max 6 ft deep, shallow 4 ft deep.
Pleated filter system, 2hp pump, skimmer, vac port, one main drain...

Unsure what these are for

Postby arizona_pool » Thu 20 Jun, 2019 19:28

Our houses pool was built in 2008.
We have the 2 inch round jet nozzles around the pool but, what are these large round ones for? Can't tell if they work or what they do, even when the pump runs. They are about 8 inches round. They are about half between the surface and floor bottom.
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Teapot
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Pool Industry Leader
Posts: 1337
Joined: Tue 17 Oct, 2017 10:52
My Pool: 12 x 24 (45m3) liner pool, Triton TR60 filter with AFM glass media (Activate) and variable speed pump running 0.08HP
Location: UK

Re: Unsure what these are for

Postby Teapot » Thu 20 Jun, 2019 23:22

Lower intakes, often used if there is a chance of water restrictions and water drop below skimmer level (would require a plug in the skimmer) if you can turn them off its better, they reduce the skimmers effectiveness

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