spa empties itself into the pool

Jimrahbe

Mod Squad
TFP Expert
LifeTime Supporter
Jul 7, 2014
20,874
Bedford, TX
D,

The check valve in front of your pump is not in the loop and, in most cases, is just not needed at all..

I see what appears to be a check valve in the middle of your last pic.. it is at the bottom of the middle pipe.. You can see the word "flow" and a direction.

Thanks,

Jim R.
 

mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
36,160
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Your third picture shows a check valve in the middle pipe just at ground level. Where does that pipe go?
 

dstinson

Active member
Jun 17, 2016
30
Mesa/AZ
I forgot to add the pic of the flapper valve i replaced. and to attempt to answer mknauss when i turn on the pump i can see water being sucked in from the one way valve i replaced. My guess it's coming from the pool.
 

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mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
36,160
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
The check valve Jim and I mentioned is on the middle pipe of your third picture in #20 post.
 

dstinson

Active member
Jun 17, 2016
30
Mesa/AZ
if you are referring to the check valve on the towel, that is the one i replaced as it was missing the flapper thing. see attached pic and red arrows. I hoped this helps.

thank you
 

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dstinson

Active member
Jun 17, 2016
30
Mesa/AZ
if you are referring to this pic, this is for the in floor cleaning system. This is next on my list to replace if the spa still drops.
 

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mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
36,160
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Most likely the zone to the spa? Or a make up line to put water to the spa all the time.
 

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mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
36,160
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
I have no background on IFCS systems other than what I have read here. That is a check valve. So may or may not be your issue.
 

dstinson

Active member
Jun 17, 2016
30
Mesa/AZ
I filled up the pool last night and closed the 2 jandy valves for the IFC (essentially I turn these also when i want the heater to blow hot water in the spa). The spa still dropped into the pool. So i dont think it is the check valve by the IFC (which is higher than the spa). I am still open for suggestions though.
 

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dstinson

Active member
Jun 17, 2016
30
Mesa/AZ
mystery solved... It was the Jandy valve. When i pulled it off, the O ring was broken. replaced the guts from amazon an it works now. Not sure if it was the o ring or the actual seal diverter but at this point I dont care. $20 fix.
 
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