No pressure in the system

kma_97

Active member
Jul 16, 2022
34
California
Hi All,

(Total newbie here)

3 days ago took my Pentair FNS Plus 60 apart, removed a ton of pine needles, sand and gunk, washed the grids, reinstalled, bleeder the air out of the filter, rotated the gauge at the top to the closed position, mixed 12 scoops of DE in a bucket and poured it into the skimmer while pump was running. A few minutes later check the gauge (15 psi) and the flow switch right after the pump (65-70 GPM at 3450 RPM). Everything has been working fine for a couple of days. Today I noticed the spillway is dry. Went to the pad. The pump is running at 3450, pressure gauge at the top of the filter is showing 0-2 psi, the flow switch is at the bottom (there’s some air so, it’s not even full).

Is something wrong with the pump?

Please help!
 
A lot of people here use skimmer socks to prevent finer debris from reaching the pump.

 
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