What is this pipe for?

Tommygarry1

Active member
May 16, 2021
32
New york
Pool Size
2
Hi all. There is a half inch pvc pipe coming out of the ground near my pump station that is capped off. What is that for?
 

PoolStored

Gold Supporter
Jun 24, 2021
566
Ashtabula, OH
Pool Size
31000
Surface
Vinyl
Chlorine
Liquid Chlorine
Can you take a picture of the pool, and a picture of the equipment pad and said PVC.
 

PoolStored

Gold Supporter
Jun 24, 2021
566
Ashtabula, OH
Pool Size
31000
Surface
Vinyl
Chlorine
Liquid Chlorine
When all your equipment is running, do you have a "return" or a "port" in the side of the pool or spa that is not moving water? May be an unused pressure cleaning pipe, or a vacuum port. Turn on your pumps and check for a port that is not moving water.
 

Tommygarry1

Active member
May 16, 2021
32
New york
Pool Size
2
Thanks for your reply. So, if all the pumps are on — looking at my plumbing photo and working from right to left — the 1st pump is the filter pump and the two suction lines are skimmers and spa drain. The next pump is for the waterfall over flow from spa to pool. That draws water from pool wall ports and returns to spa. The next 2 pumps are the spa jet massage returns. There are 4 returns for each pump in the spa. So, form what I can tell, to answer your question there is no “inactive” port around the pool.
 

PoolStored

Gold Supporter
Jun 24, 2021
566
Ashtabula, OH
Pool Size
31000
Surface
Vinyl
Chlorine
Liquid Chlorine
Then I don't know. Could be clean out access, could be unused pressure line, or unused vacuum line, or ?? Hang around the hoop here for a couple days, one of the heavy weights will weigh in with more ideas.
 

Tommygarry1

Active member
May 16, 2021
32
New york
Pool Size
2
Then I don't know. Could be clean out access, could be unused pressure line, or unused vacuum line, or ?? Hang around the hoop here for a couple days, one of the heavy weights will weigh in with more ideas.
Ok...thank you. Whats a clean out access for and what is an unused pressure line? Sorry - learning as much as I can
 

PoolStored

Gold Supporter
Jun 24, 2021
566
Ashtabula, OH
Pool Size
31000
Surface
Vinyl
Chlorine
Liquid Chlorine
There are pool cleaners "little robot" that use pressure, instead of vacuum. You hook it up to a port in the pool, like a return and it uses pressure to vacuum. Pressure Cleaners

Would be ODD, but a cleanout is an unused port into a pipe so you can put a snake into it to cleanout anything that might get caught. Again, would be odd in a pool, but you never know.

Speaking of which, do you have an overflow on the pool? A pipe that is connected to the pool and to the sewer, so that if you get a lot of water from rain, the pool doesn't overflow? It could be a cleanout for that.
 

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Poolbreh

In The Industry
Jul 31, 2021
272
San Diego
Do your spa jets have air bubbles? It looks like a air intake line for the jets. Quite possibly it was plugged due to back pressure causing water draining out.
 

Tommygarry1

Active member
May 16, 2021
32
New york
Pool Size
2
The spa Jets do have air bubbles but the bubbles come from candy cane PVC vents that come out near the spa.

What about unused auto fill. How would that work?
 

tommelton

Member
Jun 23, 2021
22
Suburb of Atlanta, GA
Auto fill? First - do you ever have to manually add water, if so, you are not using an autofill. I know my pool builder installs an autofill, but leaves it to the homeowner to get it connected to water. So that pipe, could be the water supply line for an autofill.
 

Tommygarry1

Active member
May 16, 2021
32
New york
Pool Size
2
That is probably it then, because I do not have an autofill. I add water manually using pool fill. Thanks for the info!
 

tommelton

Member
Jun 23, 2021
22
Suburb of Atlanta, GA
That is probably it then, because I do not have an autofill. I add water manually using pool fill. Thanks for the info!
An autofill often looks like a skimmer lid, with the guts under the lid being similar to the workings in a toilet tank. Do you have an opening in your deck, similar to a skimmer lid, that is NOT a skimmer?
 
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