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Thread: Kenmore water softener 625.388150

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    DIY Junior Member Bena8837's Avatar
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    Default Kenmore water softener 625.388150

    I have replaced resin in softener and now have little plastic impeller which I do not know where and how it goes. I believe it goes on distributor but how? This part is not shown in parts schematic.

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    Jack of all trades DonL's Avatar
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    It should be shown in the valve breakdown.

    http://www.searspartsdirect.com/part...&prst=&shdMod=


    Good Luck.
    Theory only works perfect in a vacuum.

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    DIY Junior Member Noyzee1's Avatar
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    Hi!
    The only "impeller" that I'm aware of is a tubine that goes in the water input line to the valve (see page 21, section 5 of the manual). This is what measures the water used so the system "knows" when to regenerate. I think that all demand softeners use these turbines and Hall Effect sensors to measure water usage, BTW.
    Cheers,
    JIM

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    DIY Senior Member mialynette2003's Avatar
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    Quote Originally Posted by Noyzee1 View Post
    Hi!
    The only "impeller" that I'm aware of is a tubine that goes in the water input line to the valve (see page 21, section 5 of the manual). This is what measures the water used so the system "knows" when to regenerate. I think that all demand softeners use these turbines and Hall Effect sensors to measure water usage, BTW.
    Cheers,
    JIM
    You are correct as to the usage of the turbine, but the location is on the out bound side of the valve.

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    DIY Junior Member Noyzee1's Avatar
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    Quote Originally Posted by mialynette2003 View Post
    You are correct as to the usage of the turbine, but the location is on the out bound side of the valve.
    Yes, thank you for correcting me. The "OUT" side of the valve is where the Hall Effect sensor/turbine is located.

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    Aspiring Old Fart, EE, computer & networking geek Mikey's Avatar
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    Looks like Number 76 in the diagram DonL referenced, $24.

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    Jack of all trades DonL's Avatar
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    Quote Originally Posted by Mikey View Post
    Looks like Number 76 in the diagram DonL referenced, $24.

    That price is amazing.

    I guess they hope you loose it.
    Theory only works perfect in a vacuum.

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    Aspiring Old Fart, EE, computer & networking geek Mikey's Avatar
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    Yeah, that was my first thought as well. Maybe they subscribe to the Gillette Razor business model. Sell the new unit fairly cheaply, but charge an arm & a leg for replacement parts. I wonder how the OP came to have the impeller in his hand -- do they give you one when you replace the resin?

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    DIY Junior Member Noyzee1's Avatar
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    Quote Originally Posted by Mikey View Post
    Yeah, that was my first thought as well. Maybe they subscribe to the Gillette Razor business model. Sell the new unit fairly cheaply, but charge an arm & a leg for replacement parts. I wonder how the OP came to have the impeller in his hand -- do they give you one when you replace the resin?
    Good point. The modern equivalent would be the ink jet printer business model. They sell those at a loss to get you committed to buy their overpriced cartridges.

    I don't see why you'd ever need to replace that turbine. I would think it'd never wear out.

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    Jack of all trades DonL's Avatar
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    Quote Originally Posted by Noyzee1 View Post
    I don't see why you'd ever need to replace that turbine. I would think it'd never wear out.

    They know people will buy that part as a fix all. They will charge as much as they can get.

    It may just need to be cleaned. They could fail because water can be abrasive.


    That part rotates a few times in its life.
    Theory only works perfect in a vacuum.

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    Aspiring Old Fart, EE, computer & networking geek Mikey's Avatar
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    Quote Originally Posted by DonL View Post
    That part rotates a few times in its life.
    Yeah, which makes me wonder what kind of bearings are in there. If high-quality bearings come as a part of the impeller, it could be worth a few bucks. If the OP would post a good picture and description of it, it would be informative.

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    DIY Junior Member Noyzee1's Avatar
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    Quote Originally Posted by Mikey View Post
    Yeah, which makes me wonder what kind of bearings are in there. If high-quality bearings come as a part of the impeller, it could be worth a few bucks. If the OP would post a good picture and description of it, it would be informative.
    I don't believe there are any bearings at all. Just a shaft, housing and turbine.
    http://www.softenerparts.com/Turbine..._p/7113040.htm

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    Aspiring Old Fart, EE, computer & networking geek Mikey's Avatar
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    Looks like the 3/4" flow gets constricted substantially as it flows through the turbine, too, but I can't really tell from the illustrations.

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    DIY Junior Member Bena8837's Avatar
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    I sure want to thank everyone for the imput. I simply had not seen the part on the schematic, I looked in the wrong one. I also want to point out that the turbine did NOT wear out. There is iron in my city water supply so it was brown. In trying to clean it I put it in water and vinegar and that caused the blades to come apart. Expensive mistake! Please let this be a lesson to everyone.

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    DIY Junior Member Bena8837's Avatar
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    Is anyone aware of a place that sells used kenmore softener parts?

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