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Thread: Pressure guage question

  1. Back To Top    #1

    Join Date
    Jul 2011
    Hagerstown, MD

    Pressure guage question

    I recently after 3 years of operation replaced the original Hayward pressure guage on my sand filter. Reason, water buildup inside the guage (alot), presumably condensation or seal (happened overnight). I replaced it with another guage from Lowes (pool section) and low and behold, the next morning I see a small section of condensation on the inside of the lense. The guage functions fine, same readings as original however, I am concerned that it may not last very long due to the moisture.

    I remember reading somewhere on this forum about a liquid filled guage being better than the generic chaeper ones. Is there any merit to that statement? If so, recomendations on where to purchase said guage? If not, where to purchase a better quality filter guage that wont condense overnight?

    Thank you,

    24' x 54" Aqua Leader Influence Above Ground Pool
    Hayward Pro Series S180T Sand Filter w/Zeobrite
    Hayward Power-Flo Martix SP1592FP Pump
    Lamotte ColorQ Pro 7 Test Kit
    Aquabot Pool Rover Jr. Pool Cleaner
    All equipment is hard plumbed

  2. Back To Top    #2
    linen's Avatar
    Join Date
    Jul 2010
    Twin Cities, MN

    Re: Pressure guage question

    Yes the liquid ones last longer (I am on my third year). Check out this thread:
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

  3. Back To Top    #3
    Isaac-1's Avatar
    Join Date
    May 2010
    SW Louisiana

    Re: Pressure guage question

    Yes, the gauges sold to the pool market are about as low of quality as can be bought, they are not very accurate and they don't last long
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
    I use and endorse TFtestKits TF-100 from
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  4. Back To Top    #4
    mas985's Avatar
    Join Date
    May 2007
    Pleasanton, CA

    Re: Pressure guage question

    Ebay has quite a few. I would get a 0-30 PSI instead of a 60 PSI only because a pump should never operate above 30 PSI and if it does, you have bigger issues. Here is one example: ... 3cd2876ceb
    Hydraulics 101; Pump Ed 101; Pump and Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, 1/2 HP 2sp pump, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater, ThePoolCleaner

  5. Back To Top    #5
    bibeaud's Avatar
    Join Date
    Aug 2011
    P'Burg NJ

    Re: Pressure guage question

    I use an all stainless steel Wika 30 PSI liquid filled pressure gauge.

    Sent from my iPad using Tapatalk HD
    11,000 Gal Trilogy "Utopia" Fiberglass Pool, 1HP Jandy Pump, Jandy CS200 Cartridge Filter, Raypak 199k BTU Heater, Liquidator, CMP Off-Line Chlorinator. Cleaners: Polaris 360, Blue Diamond, Poolvernuegen Pressure

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