Pool pump loses prime

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coachsaca1226
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Joined: Thu 10 Jun, 2021 12:05
My Pool: In ground, rectangular. Has spa and solar heater.

Pool pump loses prime

Postby coachsaca1226 » Thu 10 Jun, 2021 12:15

I have a solar pool heater in a home we just moved into. All the equipment works well except when I take out the pool cleaner before swimming. The pump has difficulty holding its prime and the pump basket loses some water. This only happens when the cleaner is not attached to the pool. Any ideas what would cause this? Thank you.


Denniswiseman
Pool Industry Leader
Pool Industry Leader
Posts: 2024
Joined: Tue 06 Sep, 2011 05:48
My Pool: 10k inground fibreglass, Telescopic Cover, Hayward Powerline pump, Quality filter with glass media, 27kw output heat pump, K-2006C test kit
Location: United Kingdom

Re: Pool pump loses prime

Postby Denniswiseman » Thu 10 Jun, 2021 16:26

The short answer is air
How is thr cleaner connected, to the skimmer or vacuum port
Do you just lift it out or disconnect the hose from the pool first
coachsaca1226
I'm new here
I'm new here
Posts: 3
Joined: Thu 10 Jun, 2021 12:05
My Pool: In ground, rectangular. Has spa and solar heater.

Re: Pool pump loses prime

Postby coachsaca1226 » Thu 10 Jun, 2021 16:40

It’s connected to a vacuum port. I generally turn off the pump. Then lift out the cleaner and turn the pump back on. The pump basket takes a while to fill back up. When I turn the pump off and back on again, the basket empties and then fills up again. Hope this makes sense.
Denniswiseman
Pool Industry Leader
Pool Industry Leader
Posts: 2024
Joined: Tue 06 Sep, 2011 05:48
My Pool: 10k inground fibreglass, Telescopic Cover, Hayward Powerline pump, Quality filter with glass media, 27kw output heat pump, K-2006C test kit
Location: United Kingdom

Re: Pool pump loses prime

Postby Denniswiseman » Fri 11 Jun, 2021 08:48

Is the vacuum port still sucking when the hose is disconnected or is there a valve or other device to stop the suction
coachsaca1226
I'm new here
I'm new here
Posts: 3
Joined: Thu 10 Jun, 2021 12:05
My Pool: In ground, rectangular. Has spa and solar heater.

Re: Pool pump loses prime

Postby coachsaca1226 » Fri 11 Jun, 2021 09:03

There is a flap on a spring hinge that covers the whole when the cleaner is out

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