Valve question


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Old 03-02-21, 12:36 PM
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Valve question

My pool equipment survived the Arctic storm we had in N. Texas a couple of weeks ago. I drained it using the plugs on the heater and pump. However, recently I noticed when the pump stops, the water runs out of the system. Luckily, the hot tub level doesn't drop overnight. Additionally, when the pump is operating at a low speed (without the floor cleaner running), it appears to be circulating the air in the system. I clearly can see it from the cover on the pump.

I went to Leslie's Pools to see if they have a recommendation. They told me I need some reverse valve, which they were sold out, but their technicians might be able to get. But the sooner tech appointment is six weeks away. Please note, this is a chlorine pool. The salt generator is disabled. Any help with troubleshooting or advising the kind of valve that I might need to replace would be appreciated. I will try to search online.




 
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Old 03-02-21, 02:18 PM
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Since you are getting air into the system..... as seen in the pump cover.... you need to focus on the four labeled PVC pipes. These four are the intake to the pump. Any other line would leak water out but not allow air into the pump.

Do you know what those devices are on the B and C line.... are they valves ?
 
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Old 03-02-21, 02:55 PM
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Have you checked the pump cover for cracks? How about the drain plugs on the pump case? Some have had success putting shaving cream around suspected leak areas.
For the valves, you could try alternately closing and opening one at a time to see if the bubbles increase. That would help you isolate which line the leak was in.
 
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Old 03-02-21, 04:15 PM
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Thank you for your responses. B and C are valves that control the fountains and floor cleaner flow. They sort of work in combination.

None of the valves or pipes leaks water.
 
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Old 03-02-21, 04:25 PM
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You won't see a leak on the suction side of the pump. Air will be drawn in. Water will not come out.
Depending on what froze there you could have a break underground.
You could have a cracked valve letting air in.

You might be asking about a check valve but I can't think of how it would help there.
 
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Old 03-02-21, 04:31 PM
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I heard about the potential Valve issue from Leslie's Pools. Sounds like I need to inspect the pipes and Valves for cracks on the intake lines. Thanks for your help.
 
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Old 03-03-21, 05:26 PM
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Tested with shaving cream drain plugs, pump cover, valves but didn't find any suction. A strange sound appears to be coming from the pool heater area.
 
 

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