Plugging returns while using “water cooling fountain”?

GeauxTigerz

Gold Supporter
Nov 11, 2020
165
Louisiana
Pool Size
14000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
I’ve read several posts and had suggestions to try a pvc “fountain” connected to a return jet to cool my pool water. I purchased a fountain and connected it but unfortunately due to 4 other returns being on the same circuit I can’t create enough pressure to make it work properly even with a 3hp VSP pump maxed out. I’ve also closed the valve to my bubblers. Is there any issue with temporarily plugging the other return jets to divert the water pressure to the fountain while in use?
 

mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
44,031
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Try plugging one return at a time. Watch your filter pressure.
 

GeauxTigerz

Gold Supporter
Nov 11, 2020
165
Louisiana
Pool Size
14000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Try plugging one return at a time. Watch your filter pressure.
Thanks Marty. What’s my max pressure I should be watching for to limit any possibility of causing any issues?
 

mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
44,031
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Pressure is very dependent on each system. I would think 30 psi would be very high. You should get enough diversion to your fountain before that.
 

GeauxTigerz

Gold Supporter
Nov 11, 2020
165
Louisiana
Pool Size
14000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Ok perfect. My pressure usually stays around 8 on my baseline schedule at 1600 rpm. I was assuming no more than 20-25. If I can’t get it done before 30psi I need to rethink my fountain design. Thanks as always Marty!
 

revitup

Gold Supporter
Bronze Supporter
Nov 30, 2019
633
Pawleys Island, SC
Pool Size
8500
Surface
Fiberglass
Chlorine
Salt Water Generator
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Hayward Aqua Rite (T-15)
What issue could occur from the excess pressure of running a fountain? I have 3 returns and plug one to run the fountain leaving only one open other than the fountain. What should I look for?
 

mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
44,031
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Leaks, pump motor overheating, etc. You need to keep adequate flow through the pump.
 
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