Pump circulating pool but not spa (no spillover)

UCFPoolBoy

New member
Aug 7, 2023
3
Fort Myers, FL
Pool Size
10500
Surface
Plaster
Chlorine
Liquid Chlorine
Hi All,

New homeowner with a pool (Pentair system). I had a pool guy come out and replace both the pool and spa light. For the spa, he drained the water into the pool to access the light. Then filled it up again. However, since then, the spa no longer circulates and the water doesn't spill over into the pool. If I put it into spa mode, the pool returns stop and the spa returns start pumping. I would like to return it to normal so that both the pool and spa circulate when the pump is running. This is all new to me and I've been trying to figure it out. Photos of my system are below. Unfortunately the previous owner painted over the labels so I am trying to figure out what each pipe does. Any advice would be appreciated.

The whole system:
PXL_20230807_210606078.jpg

Current mode the system is set to (pool mode).
PXL_20230807_210831684~2.jpg
PXL_20230807_210907781~2.jpg
PXL_20230807_210941621~2.jpg
PXL_20230807_211026419~2.jpg
In the photo below, I manually set the return to both pool and spa using the switch on the actuator. Pool and spa jets were running and the spillover started. I thought I had it figured out so I turned off the pump (leaving the actuators in this position) and the spa lost a few inches of water over an hour . I filled the spa back up again and set it back to pool mode.
PXL_20230807_214941562~2.jpg
Photo below is the pool return. No clue what the pipe with the closed off valve does. Also, is the pool return set correctly (3/4 open?).
PXL_20230806_184026188.jpg
 

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Welcome to the forum.
Open the valve in your last picture. That is likely the Spa Make Up line used to fill the spa when in Pool Mode.

The valve set at 3/4 is likely so that the spa gets enough water to spillover.
 
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Welcome to the forum.
Open the valve in your last picture. That is likely the Spa Make Up line used to fill the spa when in Pool Mode.

The valve set at 3/4 is likely so that the spa gets enough water to spillover.
I appreciate the help! This makes a lot of sense now when you think about it. I turned the valve on but it didn't seem to do much initially. However, I adjusted the pool return valve a little more and the spa started pumping too :). Now I just need to label everything so I don't forget 😅
 
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