Also most pool equipment has a maximum pressure rating of 50 psi and the area between 30 and 50 is your safety margin as a pool owner.
Low water pressure pool filter.
High psi readings will also cause low water pressure.
You should never operate a pool system above 30 psi and anything above this pressure should be regarded as dangerous.
Filter valve allowing water to bypass filter.
If the issue was in fact a clogged filter you should have no water flow problems now.
Clogged filter if water can t get through a clogged filter you will have less water flowing out of the filter.
Low pressure will almost always be caused by a problem at or before the pump.
Pump not fully priming or there s air in the system when turned off.
If you neglect the skimmer filter and it gets clogged up the pressure in the water pump will drop.
Have owner get a filter replacement cleaning.
Low pressure is a pool term that is often used to describe weak jets as well as a low psi reading on the filter s pressure gauge.
A low or high psi reading is anything outside the normal operating pressure of the filter.
Clogged pump basket or skimmer baskets.
Pool cleaner not moving around the pool well or may have stopped altogether.
That s because after the pump the water is under pressure so any problems would produce high pressure not low.
Causes of low water flow due to high system pressure.
Low pressure in your filter is much less dangerous than high pressure but it means your filter isn t doing its job.
Here s a list of common causes of low filter pressure.
Low pressure is caused by an obstruction or other problem that is keeping water from reaching the pump.
Reduced water movement in the pool.
Unlike high pressure there is no normal range for low pressure.
Eyeball fittings not in place at pool returns.
This can be diagnosed by removing the filter and running pump again without filter in.
A dirty pool filter wins for most popular water flow issue on a heater service call.