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Thread: Low PSI after Equipment Change?

  1. Back To Top    #1

    Join Date
    May 2010
    Location
    Durham, CT
    Posts
    34

    Low PSI after Equipment Change?

    Had my inground 22000 gallon pool for 3 years now. I have a Clean and Clear Cartridge Filter system than has run at 20 PSI ever since the pool was turned on the first time. When my roof solar system kicks in the system went up to 30 psi. Kind of made sense to me since the water now has to go up to the roof on my 2 floor house.

    A couple of days ago the pool installer was out and replaced my Aqua Comfort chlorine generator with a newer model. The old one died due to the fact that it was incorrectly installed. They never tied the generator power to the pool pump; just plugged it in. The flow sensor went bad causing the generator to stay on without any water going through it. After I got home, checked it out and it seemed to be working fine. However, I noticed the pool pressure at 8 psi, down from the 20 I expected. I have never seen it that low. I manually turned on the solar heater and the pressure did not move. The valves opened, the water is being heated (I confirmed warmer water coming into the pool), but the pressure stayed at 8 psi.

    Everything seems to be working fine. My waterfall off the spa is as strong as ever. Water pressure out of the return jets seem fine.

    Do I have a problem? Should I investigate this further?

    Thanks.
    24000 gallon Gunnite Pool
    WhisperFlo 1.5 hp Pump
    AquaConfort SWG System
    Solar Heating System

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: Low PSI after Equipment Change?

    It sounds like your pressure gauge is probably broken. They do tend to break fairly frequently (every year or two, occasionally three).
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  3. Back To Top    #3

    Join Date
    May 2010
    Location
    Durham, CT
    Posts
    34

    Re: Low PSI after Equipment Change?

    Interesting; I didn't realize they break. It does go to 0 when the pool is off. That would be a simple solution; I'll go by the pool store this week and get a new one.
    24000 gallon Gunnite Pool
    WhisperFlo 1.5 hp Pump
    AquaConfort SWG System
    Solar Heating System

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