Can't vacuum out pool

Adding chemicals, vacuuming, backwashing,
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boardgamegeek31
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Joined: Mon 27 Jun, 2022 18:18
My Pool: Not completely sure on the size, but it's an above ground pool, 4.5 ft deep, with a 1.0 hp hayward pump and sand filter.

Can't vacuum out pool

Postby boardgamegeek31 » Mon 27 Jun, 2022 18:28

Hello
I've been having a problem with figuring out how to get the vacuum on my above ground pool to work. It has a 1.0 hp hayward pump with a sand filter. I replaced both O-rings already and have the filtration system working well. However, every time I go to hook up my vacuum hose, it provides really good suction for 5-10 minutes and then just dies - and after that, the filtration system won't go back to it's normal function either. I cannot for the life of me figure out why this keeps happening. My local pool store told me that I need to replace the pump entirely, but I'm skeptical. The pump is only 4 years old (according to the previous homeowner, who I respect and trust), and like I said, it runs fine when I don't hook up the vacuum. I would rather not shell out another $300 to replace the pump if I don't have to.
Any insight would be much appreciated. Or even alternatives to cleaning my pool out without using the clearly broken vacuum system.


Denniswiseman
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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: Can't vacuum out pool

Postby Denniswiseman » Tue 28 Jun, 2022 01:37

How does the vacuum connect to your system?
Does the pump pre-filter collect air in it?
You're right to be wary of pool store advice, they are in the business of selling
Teapot1
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My Pool: 12000 gallons vinyl liner,

Re: Can't vacuum out pool

Postby Teapot1 » Tue 28 Jun, 2022 10:47

As Dennis is suggesting, you are drawing in air when vacuuming. No you dont need a new pump.
I may not give you the answer you want to hear, but I will give an honest opinion of your situation as you decribe it.
boardgamegeek31
I'm new here
I'm new here
Posts: 2
Joined: Mon 27 Jun, 2022 18:18
My Pool: Not completely sure on the size, but it's an above ground pool, 4.5 ft deep, with a 1.0 hp hayward pump and sand filter.

Re: Can't vacuum out pool

Postby boardgamegeek31 » Fri 01 Jul, 2022 18:19

Okay, good to know. I figured the pool store would be a good resource for advice, but I see your point about wanting to sell the biggest item. So I've tried hooking the vacuum up a few different ways, with the same result every time. Primarily, it is supposed to hook up through the skimmer. I always take the basket out of the skimmer, but I've tried it with the hose connected directly to the vacuum plate that goes in the skimmer (as the previous homeowners showed me), I've tried it attached to the L-shaped connector thing that goes on the vacuum plate, and I've tried it with the hose connected directly to the skimmer (no vacuum plate).
If I'm understanding your second question correctly, I don't believe the pump is getting air in it when I don't hook up the vacuum, because it's been running perfectly fine and keeping the water nice and clear the last few days (I have the pump on a timer).
Do you think I just need to replace and/or repair the vacuum hose? How should I go about figuring out how air is getting into the system?
Paul Land
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My Pool: 18' Round Pentair dynamo pool filter 1st stage Hayward EC50 D.E. 2nd stage. 48vDC Solar/Battery@120v 50% pool pump power.

Re: Can't vacuum out pool

Postby Paul Land » Wed 06 Jul, 2022 10:44

Are you pre-priming hose with pool water?
Teapot1
Swimming Pool Superstar
Swimming Pool Superstar
Posts: 614
Joined: Thu 29 Apr, 2021 00:43
My Pool: 12000 gallons vinyl liner,

Re: Can't vacuum out pool

Postby Teapot1 » Thu 07 Jul, 2022 11:23

Yes its most likely a vacuum hose issue. Are you making sure you fill the vacuum hose with water prior to connecting it to the vacuum plate?
I may not give you the answer you want to hear, but I will give an honest opinion of your situation as you decribe it.

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