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Thread: Steiner Pump not pumping

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    Join Date
    Nov 2013
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    Fort Worth, TX
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    Steiner Pump not pumping

    I posted about a year ago about my Stenner pump not pumping chlorine. At that time, it turned out that some of the lube I used when I assembled the pump got on the rollers and tube and I had to clean it in order to get it to pump properly. A few months ago, I had the same issue even though I removed virtually all the grease the first time. I cleaned it again and replaced the duckbill. Again, it started pumping. Now, I noticed my chlorine level dropping and sure enough the pump is not pumping. I know this because I installed the Stenner flow meter (indicator) and it shows no flow.

    My rollers are expanded. The rollers turn freely and the tube is not split or broken. Do you need to replace the tube on this pump periodically even though it has not failed? The answer to this question is unclear from the Stenner site. Also, I called Stenner the last time and they did not mention replacing the tube. Basically, they did not provide me with any recommendations to fix the issue.
    30,000 plaster in-ground pool with spa; 2.5HP single speed Centurion pump; Raypak RP2100 propane heater; Polaris 280 with pump, waterfall with separate pump, Triton II commercial sand filter; TF-100 test kit w/ SpeedStir

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    Mod Squad Bama Rambler's Avatar
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    Jun 2009
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    Re: Steiner Pump not pumping

    You most likely need to replace the pump tube every year even if it doesn't look bad. They tend to flatten out over time and stop pumping. I, as regular maintenance, replace mine at the beginning of each season.
    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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    stev32k's Avatar
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    Mar 2009
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    Re: Steiner Pump not pumping

    When my stenner quit pumping it turned out to be the inlet side tubing adapter leaking. Try this - unhook the inlet side tubing and put your finger over the tube inlet and turn on the pump. If the tube is not leaking you will feel some suction pressure on your finger if the tube is leaking there will be no suction pressure. If you feel suction pressure install the tubing adapter without the tube and put your finger over the inlet then turn on the pump and put your finger over the inlet and see if it is leaking. My money is on the adapter leaking.
    20' x 40' IG with vinyl liner volume approx. 35,000 gal.1.5 H.P. main pump, Polaris 280 cleaner W/ 3/4 H.P. booster pump
    Hayward sand filter, 3.14 sq ft, 62 gpm. Stenner 45 MPH10 chlorine feed pump. 1 micron final filter bags (home made and very effective)

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    Nov 2013
    Location
    Fort Worth, TX
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    114

    Re: Steiner Pump not pumping

    Yesterday, after breaking one of the two latches, I just decided to replace the tube and the rollers. It started pumping right away. My bet is it was the tube and not the rollers, so I have saved the rollers. I'm back in business.....thanks!
    30,000 plaster in-ground pool with spa; 2.5HP single speed Centurion pump; Raypak RP2100 propane heater; Polaris 280 with pump, waterfall with separate pump, Triton II commercial sand filter; TF-100 test kit w/ SpeedStir

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