Questions & Answers for: Hayward cavitation

vaccuuming It seems when i attach my vac hose to the skimmer closest to my filter and then turn off main and @nd skimmer that it works for a bit then the pump starts to cavitate with surgings and vac ...

2 yr old inground pool Hayward pump louder than normal. Bearings were checked and seals replaced prior to opening this summer. If there is air in the pump it cavitates and can make it run louder, ...

...any Idea where leak could occur thank you for any help Your pump is drawing air which is causing cavitation. Check all fittings leading to the intake. Then after that, pull the pump and re-seal

Hayward Vari-Flow valve SP710X making cavitation noise w pump on. Was wondering if valve needs to be cleaned out periodically or check to see if something lodged inside valve causing the noising water

just purchased a new super pump 1hp, but it is just purchased a new Hayward super pump 1hp, but it is very noisy , yet pumps fine. It is not vibration . Wired as 115volt . Any help ? Can you be more ...

...alot louder when you backwash because there is alot less back pressure and it sometimes causes pump cavitation. The pump should quiet down when in normal filter mode. If not, there may be problems ...

...system. You will open the main suction all the way then close it down till the pump just starts cavitation and then open slightly. This should have your cleaner moving slow and

Hayward 4001 cavitate Heater knocks when operating not enough water flowing through it either close plumbing bypass half way or clean filters or check manual bypass in manifold spring could be bad

...the issue, debris caught in the impeller could be a possibility. Another would be what is called "Cavitation". That's where the pump is trying to pull more water through it that the pipe diameter ...

...air, rather water vapor in bubbles. Once the pressure is reduced downstream of the pump turbine, cavitation will cease and the bubbles will return to liquid water. Nevertheless, pump cavitation is ...