I searched but I can not or did not find yet an answer to my question. I have a pentair sandfilter TA 35/35D sand filter that pumps 35 GPM hooked up to a Hayward Power Flow Matrix 3/4 HP which pumps 80 GPM. Is this diffrence in GPM going to cause me a problem? I have used this system for the past few years with no problem.
This year I hooked up one of those solar heaters from Game. I had to put a 6'foot hose from the filter to the solar heater and then use my 6' foot hose to the return outlet valve.
Also, before I hooked up the solar heater I tried adding DE to the sand filter, the day after the psi went up near 19 psi from 8 psi before puting in the DE. So I backwashed and psi went back to 8 then I add a 1/2 cup of DE and put on the solar heater and today I have 13 1/2 psi. Water looks great.
My question is. Is the 3/4 HP at 80 GPM to much for the sand filter that only pushes 35 GPM and cause me to lose filtering?
Thanks in advance for any advice. And is there some chart that matchs sand filters with the proper HP from a pump?