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Around 10 PSI if you have a 2 horsepower pump. It will vary, depending on the restrictions in the exit line. Pool Masters

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Q: What should the pressure gauge read during backwashing a pool filter?
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Should you keep the backwash open while vacuuming?

No, backwashing is used during the cleaning of the sand, when the pressure has gone up on the filter, or you feel the vacuum is not doing its job that is when you should backwash.


Why after backwashing your pool does the gauge not go back down?

Your gauge could very well be bad, many pools that we took care of the gauge on the filter was bad, after backwashing the filter just check any of you lines going back to the pool and your should notice the pressure is a lot higher. A lot of people just check the flow by placing there hand at an outlet to check pressure than by walking over too the filter and reading the pressure, instead of buying a new pressure gauge.


How and how often should you clean the strainer basket that sits next to the sand filter?

There is a gauge on the filter that will indicate this. when as the pressure gets higher it indicates that there is a build up of dirt and the filter needs cleaning or backwashing. another indicator is if you note a marked reduction in suction at the static skimmer of the pool.


How do you know when you need new sand in a Hayward filter for an inground pool?

Depending on the size of the pool and the size of the filter and the amount of times you have to backwash, also if you have had a lot of rain then you may need to backwash more than usual. If you put the pool in and the filter and you know how old the sand is, if you are backwashing more than usual,change the sand. Also before you backwash check the pressure of the water going back into the pool, then backwash check the pressure again the pressure should for any size hayward pump push your hand away if it does not then change your sand.


How frequently should the sand be changed on the filter system?

If you are backwashing more than you care to,or your filter pressue is high, or you put your hand against the outlet where the clean water is returning back to the pool and your hand does not get pushed away any of these reasons would be a reason to change the sand, depending on the size of the filter some filters need to be changed once a season every other season or not for years, bottom line you should only be backwashing after vacumning the pool. if your water in your pool is clean or clear I would say the sand is ok.


When you backwash your pool why does the water come out forcefully when other pools in the neighborhood seem to trickle?

Each time I backwash my pump head, the water comes out with extreme force. It has only trickled when something was going wrong. The pump may have been drawing air or the heads were dirty. During backwashing and rinsing, the water should be coming out with force. The pump pressure should even be lower when you return to filtering. Each time I backwash my pump head, the water comes out with extreme force. It has only trickled when something was going wrong. The pump may have been drawing air or the heads were dirty. During backwashing and rinsing, the water should be coming out with force. The pump pressure should even be lower when you return to filtering.


Where is the oil pressure switch located on a 2004 Chrysler pacifica?

The oil pressure switch is located on the oil filter adapter. Find the oil filter and you should see the oil pressure switch.


Why does the water pressure go down with a dirty pool?

As the filter gets clogged it restricts the flow of water and the pressure in the return line drops. The pressure gauge on the filter itself indicates the entry pressure and that will go higher as the filter becomes clogged. Don't ever allow the pressure to reach 40 PSI. Back-washing the filter should restore the pressures. Pool Masters


Should Mitsubishi gt3000 have low oil pressure?

In short, NO. Check your oil level and viscosity, or just change your filter and oil to be sure. Low pressure can come from a clogged filter.


Why do you not have any pressure coming out when your sand filter pump is in filter mode?

Probably because it is clean, leave it on the filter setting for a while and you will find that the pressure will increase as the filter gets dirtier, when it get high (usually in the red ) you will have to backwash.


Where is the oil pressure switch on 89 Camaro?

should be directly above the oil filter


Where is the oil pressure switch on a Jeep Liberty?

Should be right above the oil filter.