When the main pump is running, the pressure gauge on my cartridge filter reads 20 PSI. When I switch to spa mode (also ran by the main pump) the PSI jumps to 29. I cleaned the filer, but I got the same results. Anyone know why?
tagprod said:When the main pump is running, the pressure gauge on my cartridge filter reads 20 PSI. When I switch to spa mode (also ran by the main pump) the PSI jumps to 29. I cleaned the filer, but I got the same results. Anyone know why?