Leaking when in Filter mode

Adding chemicals, vacuuming, backwashing,
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poolinwales
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Joined: Fri 27 May, 2022 14:41

Leaking when in Filter mode

Postby poolinwales » Fri 27 May, 2022 14:55

Hello,

Please can someone help me :(

So I have a sand filter I have a PAC-FAB handle (which is basically the same as Hayward 710X.

So the issue is that when I have it on filter is it leaking water (at quite a rate). The reason I know if that the pool water level goes down. So this is what I have tried:

- I have replaced all the O rings
- I have replaced the spider gasket (and properly re-installed with silicone etc.)
- I have replaced the spring in the handle (i.e. I wasnt sure if if that tension had gone then it wouldnt be pushing down on the spider gasket.
- Checked the handle is on the right way

Does anyone have any other ideas what I could try. Everything looks in decent condition.

Many thanks


Teapot1
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Posts: 517
Joined: Thu 29 Apr, 2021 00:43
My Pool: 12000 gallons vinyl liner,

Re: Leaking when in Filter mode

Postby Teapot1 » Sat 28 May, 2022 01:27

Where is it leaking to?
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.
poolinwales
I'm new here
I'm new here
Posts: 2
Joined: Fri 27 May, 2022 14:41

Re: Leaking when in Filter mode

Postby poolinwales » Sat 28 May, 2022 01:39

I presume the backwash or the waste. There is no visible water.
Teapot1
Swimming Pool Superstar
Swimming Pool Superstar
Posts: 517
Joined: Thu 29 Apr, 2021 00:43
My Pool: 12000 gallons vinyl liner,

Re: Leaking when in Filter mode

Postby Teapot1 » Sat 28 May, 2022 04:41

Ok, internal multiport valve leaks are reasonably common. Can you put a bucket under the waste pipe to verify?
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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