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Thread: Stenner Tubes

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    tcat's Avatar
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    Stenner Tubes

    Was wondering why my chlorine kept going down. My Stenner is moving... then at closer look (5 days later), it's moving but level in tank hasn't moved. Disconnected output and nothing dripping... I had one extra tube and replaced it, now all seems to be working well. What is the expected life of the tube? It's been about a year and a half, old tube "seems" OK but is kind of mashed, so maybe nothing or very little getting through. Just curious about expected maintenance. Going to order a 5 pack from ChemWorld (best price with shipping). One of the rollers is also a bit tight, but rotates. Other 2 rotate freely.
    IG pebble, 15,000 gallon
    48” PentAir DE Filter with backwash valve
    PentAir Whisperflo pump with 1hp 2-speed motor
    Aquabot 4WD, Poolskim
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    DIY chlorine feed
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    Mod Squad tim5055's Avatar
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    Re: Stenner Tubes

    You should figure on changing it every 12 months. Like you I waited about 18 the last time and it stopped pumping.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Re: Stenner Tubes

    When you change tubes in the pump you also should look at your delivery system tubes and injector to make sure they don't have a salt buildup.
    22k gallon IG pebblefina, Jandy 1.5 HP VS, Jandy CV Cartridge filter, Fafco solar panels, Polaris 360 supply side cleaner, waterfall

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    Mod Squad Bama Rambler's Avatar
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    Re: Stenner Tubes

    I change the tube at the beginning of every season. Also, even a tiny leak on the suction side will stop the pump from pumping.

    If the rollers are stiff to turn you may want to lube the roller shafts.
    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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    Re: Stenner Tubes

    I change my tube every year, too. In addition, I added a flow indicator so that I can easily tell if there is an issue.

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    tcat's Avatar
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    Re: Stenner Tubes

    Thanks, will make it an annual ritual. I read somewhere saying not to lube the rollers (they probably want to sell you parts). I pushed some Teflon grease in there, but doubt it does much good since you can't take them apart. It's rotating. I've been diluting 8% down to 4% for the winter, but it got warm so early, now I just want the level to run down so I can go full strength. Running it 6 hrs where I normally run it 3. With pool at 86, it's still not keeping up. Time to start stocking up for the summer!

    IG pebble, 15,000 gallon
    48” PentAir DE Filter with backwash valve
    PentAir Whisperflo pump with 1hp 2-speed motor
    Aquabot 4WD, Poolskim
    Intermatic Dual Timeclock with freezeguard
    DIY chlorine feed
    BBB

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    Re: Stenner Tubes

    I think mine just failed after one year. I haven't replaced the tube yet, but I checked the hoses and they are not clogged. Thanks for the tip on ChemWorld.

    Does anyone know if all tubes are the same? I read in one thread that "Santoprene is the best".
    18,000 gallon IG gunite freeform pool
    Intelliflo VS pump; Hayward SwimClear-C4030 425 sq ft filter; 4x suction PoolCleaner

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    Mod Squad Bama Rambler's Avatar
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    Re: Stenner Tubes

    There are two tube materials, Santoprene and Versilon. For sodium Hypo (aka Bleach) you want Santoprene. It's rated "A".
    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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    Re: Stenner Tubes

    Thanks Bama Rambler. If it doesn't list it on the website, how can I tell which material it is? I'm looking at these:
    UCCP202 - Buy Stenner Pumps #2 Replacement Pump Tubes - $24.88

    And which would be best for MA?
    18,000 gallon IG gunite freeform pool
    Intelliflo VS pump; Hayward SwimClear-C4030 425 sq ft filter; 4x suction PoolCleaner

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    Re: Stenner Tubes

    Quote Originally Posted by Bama Rambler View Post
    There are two tube materials, Santoprene and Versilon. For sodium Hypo (aka Bleach) you want Santoprene. It's rated "A".
    I'm curious too. I use MCCP201, nothing on site says what it's made of. I ordered from here: Stenner Pump MCCP201 Tubes

    Does have another tube called tygothane. What I got looks exactly like what was supplied with pump.

    Edit: After looking at the compatability chart it lists Sanoprene and tygothane, so I assume the main one is sanoprene.

    IG pebble, 15,000 gallon
    48” PentAir DE Filter with backwash valve
    PentAir Whisperflo pump with 1hp 2-speed motor
    Aquabot 4WD, Poolskim
    Intermatic Dual Timeclock with freezeguard
    DIY chlorine feed
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    Re: Stenner Tubes

    Is it advisable to put the new Stenner tube into hot water to make it more pliable before installing it? I am coming up on one year of use for my Stenner and will be replacing the tube soon. I have removed and re-installed the tube that came with my Stenner a few times so I know how to collapse and expand the rollers. Just wondering if it might be a little easier if the new tube was pliable.
    38000 Gal, IG, Plaster, 20' x 40' x 10', Attached Raised Spa, Intelliflo VS 3 HP (011018), Pentair Quad DE 60 Filter, Raypak (Rheem) 400,000 BTU (407a low Nox), Easy Touch 8 upgrade, Screenlogic 2 with wireless, IS-4 Spa Side Remote, Stenner 45MPHP10 w/15 gal tank, Intellibrite 5g (3), Dolphin Triton Plus robot with PRO remote, Water Tech Catfish handheld vacuum for spa, TF100 with SpeedStir.

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    Mod Squad Bama Rambler's Avatar
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    Re: Stenner Tubes

    Unless it specifically states the elastomer, it's highly likely that it's going to be Santoprene.
    Versilon replaced Tygothane. It's supposed to be a little better choice for the chemicals that Tygothane was intended for. If you go directly to the Stenner site, you'll see the latest listings. Places that are still offering Tygothane are using up old stock.

    While Stenner doesn't recommend heating the tubes, it certainly would hurt anything to heat them a little. I wouldn't boil them though.
    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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    Re: Stenner Tubes

    Curious about the "injection fitting", does it have a check valve? When I disconnect the output tube it's like a fire hose when the pool pump is running. But the Stenner does seem to overcome it's pressure.

    IG pebble, 15,000 gallon
    48” PentAir DE Filter with backwash valve
    PentAir Whisperflo pump with 1hp 2-speed motor
    Aquabot 4WD, Poolskim
    Intermatic Dual Timeclock with freezeguard
    DIY chlorine feed
    BBB

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    Mod Squad Bama Rambler's Avatar
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    Re: Stenner Tubes

    Do you have the high or low pressure model?

    The high pressure model has a check valve, and the low pressure model has a duct bill style check valve. Either should stop the flow at the low pressures you normally see.

    Take the fitting apart and see if there's a piece of debris in it.
    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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    Re: Stenner Tubes

    Quote Originally Posted by Bama Rambler View Post
    Do you have the high or low pressure model?

    The high pressure model has a check valve, and the low pressure model has a duct bill style check valve. Either should stop the flow at the low pressures you normally see.

    Take the fitting apart and see if there's a piece of debris in it.
    Mine is 3gpd fixed. Has the "injection fitting". Took it off and it's just a thru hole. I guess low pressure doesn't need a check valve. No "duck bill" (it's shown with the check valve version in the manual).

    IG pebble, 15,000 gallon
    48” PentAir DE Filter with backwash valve
    PentAir Whisperflo pump with 1hp 2-speed motor
    Aquabot 4WD, Poolskim
    Intermatic Dual Timeclock with freezeguard
    DIY chlorine feed
    BBB

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    Re: Stenner Tubes

    I'm probably going to be setting up a stenner pump soon to feed chlorine into my pool, and I'm concerned about the annual maintenance I hear about these things. Is it mainly just the tubes?

    Would periodic flushing of the tubes with clean water help to prolong the life of the tubes?

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    tcat's Avatar
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    Re: Stenner Tubes

    Quote Originally Posted by camueller View Post
    I'm probably going to be setting up a stenner pump soon to feed chlorine into my pool, and I'm concerned about the annual maintenance I hear about these things. Is it mainly just the tubes?

    Would periodic flushing of the tubes with clean water help to prolong the life of the tubes?
    One of the best purchases for my pool (other than my Aquabot 4wd and Poolskim). I check my fc once a week (at most). Add a few gallons to my 15 gallon tank about every 2 or 3 weeks. In 2 years I've changed the tube twice. Not sure about flushing with water. The 1/4" tubing is cheap, if it has issues, just change it. Only thing I noticed is tank can get cloudy or gets some gunk building up. Next time my level gets below 1g, I plan on flushing the tank out with water.

    IG pebble, 15,000 gallon
    48” PentAir DE Filter with backwash valve
    PentAir Whisperflo pump with 1hp 2-speed motor
    Aquabot 4WD, Poolskim
    Intermatic Dual Timeclock with freezeguard
    DIY chlorine feed
    BBB

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    Re: Stenner Tubes

    Quote Originally Posted by tcat View Post
    One of the best purchases for my pool (other than my Aquabot 4wd and Poolskim). I check my fc once a week (at most). Add a few gallons to my 15 gallon tank about every 2 or 3 weeks. In 2 years I've changed the tube twice. Not sure about flushing with water. The 1/4" tubing is cheap, if it has issues, just change it. Only thing I noticed is tank can get cloudy or gets some gunk building up. Next time my level gets below 1g, I plan on flushing the tank out with water.

    Sent from my Nexus 6P using Tapatalk
    I was afraid of having to rebuild the pump annually, or something along those lines. If it just needs a tube change, I could probably handle that. I think I'm going to go for the Stenner, I just need to place the order and pull the trigger. I'm thinking I'll do a 5gallon bucket though, so I don't have to store too much out in the heat.

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    Re: Stenner Tubes

    How do you guys know when the internal tube needs to be changed out?
    25,000 gallon Concrete/Plaster Pool
    Pentair WFDS-26 - Installed Spring 2012
    Pentair Quad DE 100 - Installed Spring 2012
    Pentair Kreepy Krauly 820 - In Service 05/26/2013
    K-2006 Test kit, Intermatic P1353me Digital Timer, Stenner 85MHP5

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    Re: Stenner Tubes

    Quote Originally Posted by stslimited84 View Post
    How do you guys know when the internal tube needs to be changed out?
    When the level in the tank stops going down. Probably best to change it every 12-18mo.

    IG pebble, 15,000 gallon
    48” PentAir DE Filter with backwash valve
    PentAir Whisperflo pump with 1hp 2-speed motor
    Aquabot 4WD, Poolskim
    Intermatic Dual Timeclock with freezeguard
    DIY chlorine feed
    BBB

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