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Thread: Filter leaking

  1. Back To Top    #1

    Join Date
    Apr 2015
    Naples, Fl

    Filter leaking

    I have recently plumbed roof mounted solar panels into my pool system. Everything was fine but after reading, I found that I needed a check valve to prevent solar panels from flowing back into the filter. Today I plumbed a pentair check valve into the system. I turned the system on and everything was working fine. I turned the system off to make sure the solar panels drained ok and at that point my filter gurgled and my pump basket water bubbled and drained. I turned the system back on and the pump had lost its prime and the filter started leaking in a half dozen places when prime returned. I turned the system back off and checked the o rings in the filter. Everything was ok so I reassembled system turned it on and no leaks. I then turned system back off did not open filter, waited 10 minutes and turned system back on and once primed the filter leaked a lot around the lid again. The only change from yesterday when it was working fine is the check valve. The valve flow is correct, so I am at a complete loss. Until today the filter has never leaked and the pump has always kept its prime. I hope I put the check valve in the correct position. Any help or insight would be great. Thank you. image.jpgimage.jpg
    12500 gallons in ground plaster
    starite cartridge filter
    roof Solar panels and SWG
    south Florida

  2. Back To Top    #2

    In the Industry

    Join Date
    Jun 2015
    Wildomar, California

    Re: Filter leaking

    I'm thinking that either the check valve is in the wrong place, is backward, or defective, if it is ok and installed correctly then no water can drain back thru your pump.

  3. Back To Top    #3
    Agent99's Avatar
    Join Date
    Aug 2008
    San Jose, CA

    Re: Filter leaking

    The arrow on the clear lid of the check valve ought to point as I've indicated below. This is the water flow direction in normal operation.

    25k IG/Spa Figure 8, 18x36, Pebble Sheen Blue Granite, Sta-Rite S8M150 Cartridge Filter, Pentair 460805 400k BTU Heater & 011018 IntelliFlo VarSpd
    Liquidator, Fafco Solar Heat, Polaris PB460 Booster Pump w/280 cleaner, Katchaleaf Cover, TF100 Test Kit, FAKE MAIN DRAIN

  4. Back To Top    #4
    borjis's Avatar
    Join Date
    Aug 2014
    Pacific NW

    Re: Filter leaking

    I had the same exact manual solar setup like you have at my last house.

    The check valve was BEFORE the filter instead of after the filter.

    Not sure that would make a difference but my pump / setup never had any problems.

    And the check valve I had is exactly the same one you have.
    16x32 IG Vinyl, 13,000 Gals. Hayward S-244T sand filter, SP2810X15 pump
    (1.5 HP motor) Raypak PR266AEN (266k btu) gas heater. TF-100 Test Kit.
    Dolphin E10 Cleaning Robot.

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