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Hi, this is the first year I've had trouble vacuuming the pool after it was opened.

I don't know if this is connected, but the pool is taking about 3-4 mins to prime every morning when I turn it on, and when it does prime, there is a lot of air coming out of my returns for a good minute.

Then, as soon as I attach the hose and start vacuuming, after about 30 secs it loses prime. Once I detach the skimmer plate, it primes again by itself, after about 1 minute.

I have checked the hair pot, backwashed and rinsed, and am at my wits' end. Pool is 9 years old, on-ground, 10 x 17 & holds about 5,000 gallons. Should I have the heater off when I try to vacuum? This was never a problem before. I have also tried putting the Jandy valve on (recommended)main drain off, but then I tried it on 1/2 and 1/2, and it still won't stay primed. I have a ton of debris thatI have swept down by the main drain. No way to grab it with my hands!

Thank you!

What brand of pump do you have?

Pump not motor...

Bill Tech II

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Bill Tech II

It is a Hayward maxi-flo, self-priming. Never had any trouble with it. Does 1 HP sound right? My pool is under 5000 gallons.

I can get the model # off it. I have every receipt nicely kept inside but that one!

Thanks again - Linda

I had a drop in pressure and would hear a hissing noise when I changed the flow from main drain to skimmer. I found that the impeller had some debris stuck in some of the vanes. We had a lot of tree debris past couple of weeks. After I cleaned the impeller all was well again. I turned off the motor breaker and used my fingers to clear the impeller.

Mike

Thanks for that - I will try it if it ever stops raining here!