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Thread: Liquidator losing prime + found flow indicator

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    poolhound's Avatar
    Join Date
    May 2008
    Elgin, SC

    Liquidator losing prime + found flow indicator

    I have been using the liquidator for 4 years with only minor problems. My 1/4" tubing has begun cracking and I decided to upgrade to 3/8" while replacing the tubing. My Liquidator, filter and pump are above the water level of my IG pool and I have had (rare) problems of the LQ outlet (connected to pump basket drain) draining down below the float outlet and letting air into the pump inlet so that the pump would not prime. I did not have any check valves in the system. I installed the 3/8' upgrade without a flow indicator nor check valves and my LQ now drains down every time the pump shuts off (I have it on a timer) and I lose prime (adding a bucket of water to LQ tank solves problem). I found a replacement flow indicator at Amazon (Pentair #R172080 about $20) and it came with a check valve which I have installed and problem remains. I suspect the problem is the outlet float valve is not shutting off/sealing properly and allows the water level to drain too low, which would be solved by a replacement float valve, but I haven't been able to find one. I have ordered check valves from US Plastics with cracking pressures of 1/3 psi and another of 1 psi in hope that the check valve will provide the seal the float valve is not providing. Any help or advice will be greatly appreciated, thanks in advance.
    24000gal IG, VL, 1.5 HP, Pentair 60/60D Sand 325#, BBB, Stenner45MHP2 (Replaced Liquidator), Dolphin M400

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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: Liquidator losing prime + found flow indicator

    Call Hasa, They are very good about replacing the parts of the LQ.

    You can also take the float valve apart and clean the rubber seal and nozzle and that may stop the leaking.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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