I have noticed that I am slowly gaining pump pressure after every time I backwash my pool after I vacuum. I replaced the pressure gauge a few months ago and noticed normal operating pressure ~10 psi. Now it is up to ~15 psi. Lately, every time I backwash and put back on filter I seem to gain 1 psi on the filter setting. When I recirculate w/o the filter it is 10-12 psi, but cannot remember what it was a few months back when I replaced the pressure gauge. Hopefully it will stay around 13-15 psi and I am concerned about nothing; is that too high of a return pressure. Is 15 psi an acceptable range for a Hayward Super II pump? I'm fairly new to pool self-maintenance and do not want to burn my pump up. The return distance may be 30-40 ft.
25,000 gallon
Hayward Super Pump II
Hayward Filter Model S244T
Rising Pump Pressure
Rising Pump Pressure
Normal pressure is dependent on many different factors but what your seeing is not abnormal. You may be fighting an algae bloom which can raise the filter pressure very quickly.
Mark
Hydraulics 101; Pump and Pool Spreadsheets; Pump Ed 101
18'x36' 20k gallon plaster/gunite pool, 1/2 HP 2sp pump, Aqualogic PS8 SWCG, 420 sq-ft Cartridge Filter, Solar Panels, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater
Hydraulics 101; Pump and Pool Spreadsheets; Pump Ed 101
18'x36' 20k gallon plaster/gunite pool, 1/2 HP 2sp pump, Aqualogic PS8 SWCG, 420 sq-ft Cartridge Filter, Solar Panels, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater
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