3 years ago pressure 18psi, this year starting pressure 22

smooth2222

LifeTime Supporter
Oct 25, 2010
284
michigan
#1
3 years ago my starting pressure was 18psi after backwash, now my starting pressure is 22psi after backwash.

15,000 gallon pool/spa with heater

sta rite 1.5 hp pump, phk2ra6f-103L

sta rite sand filter, 350lbs sand, cristal-flo 2, 145363

Multi valve system because of the spa
 

JasonLion

TFP Expert
Platinum Supporter
LifeTime Supporter
May 7, 2007
37,879
Silver Spring, MD
#3
Re: 3 years ago pressure 18psi, this year starting pressure

Higher pressure either means the pump is moving more water or the flow is restricted in some way that it wasn't before. Is there any chance your valves are set differently than they were three years ago?