Re: pressure too high
Sounds like a filter issue to me. DE grids have a tendency to cake up and clog especially if you are fighting an algae bloom. When you cleaned the filter, did you also soak the grids?
Also, a normal filter pressure of 27 PSI is a bit on the high side. Is that with solar? What size is your pump, filter and plumbing?
Mark
Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater
Re: pressure too high
My DE normal pressure is around 12 psi.
14'x31' kidney 21K gal IG plaster pool; SWCG (Saline Generating System's SGS Breeze); Pentair FNS Plus 48 DE DE filter; Whisperflow 1 HP pump; 8 hours hrs; kit purchased from Ben; utility water; summer: none; winter: none; PF:5.7
Re: pressure too high
If you wanted to check and see if it is the grids, take the grids out and put the filter back together, switch your valves to spa. Start the filter, bleed the air, and note the pressure.
Note: when you do this, you are likely to get a bunch of D.E. back to the pool. Thats why you switched the valves to spa, to keep the mess contained. When the filter is reinstalled, just drain the spa (draw from the spa, and return to the pool), and the filter will catch all the mess.
4 out of 3 people have trouble with fractions.
Factory Warranty/Service for: Jandy, Pentair, Sta-Rite, Raypak, Polaris, and Paramount pool cleaning systems.
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