Grundfos submersible pump [RE-wrenches]

[Jay Peltz, Peltz Power]

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HI Tump,

This is a spring feed application and pretty clean.
would have installed a float switch, but low production seems to also  
indicate that there is a mechanical problem as well.

jay
On Apr 23, 2008, at 4:37 AM, Blair May wrote:

>
> Jay we also have found in Trinity Co. the turbidity of the water, that
> good ol Humboldt blue clay, was causing the low water shut off not to
> work. This was an old Italian Dankoff pump,predecessor to the  
> grundfoss.
> We installed a float type of sensor that cured the prob.You can  
> probably
> get the switch from Conergy still. Hope this helps TUMP
> -----Original Message-----
> From: Bruce Erickson [mailto:msolar at mcn.org]
> Sent: Tuesday, April 22, 2008 7:43 PM
> To: RE-wrenches at topica.com
> Subject: Re: Grundfos submersible pump [RE-wrenches]
>
>
>
>
> Hi Jay,
>
> We recently hired a pump company to pull an AC pump we were replacing
> with an SQ Flex. The operator mentioned that he has seen several
> instances of algae or other gunk buildup on the Grundfos low water
> sensor just above the pump, which was "shorting" the sensor, fooling
> it into thinking there was still water present. His fix was to scrub
> it off with bleach.
>
> Bruce Erickson
> Mendocino Solar Service
> 707-937-1701
> 707-937-1741 fax
> PO Box 1252
> Mendocino, CA 95460
>
>
>
> "Serving the Solar System"
>
>
>
>
>
> On Apr 20, 2008, at 6:17 PM, Jay Peltz, Peltz Power wrote:
>
>>
>> HI All,
>>
>> On a different Grundfos note, I think I have a failure with a SQFlex.
>>
>> ( its running on AC power, well within head specs)
>>
>> The low water shut down isn't working and the flow has dropped,
>>
>> Anybody seen problems like this?
>>
>> And does anyone know the direct line to tech support?
>>
>> thanks,
>> jay
>>
>> peltz power
>>
>>
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>
> --
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