[RE-wrenches] MQ Pump Problems
jay peltz
jay at asis.com
Tue Sep 9 20:35:04 PDT 2008
Hi Ray,
I have been working at a site that just had a problem, blown cap.
Cap was replaced lasted 4 hours.
Cap replaced again, now its really broken. Seems to be electronic as
when it did run the pump seemed to work.
Its out of warranty, just ordered a new one,
jay
peltz power
On Sep 9, 2008, at 8:09 PM, R. Walters wrote:
> HI All;
>
> I just wanted to see if anyone has had any problems with the
> Grundfos MQ pressure pump. We've been using them for a while with
> great results, but recently ate 2 in about 3 months on one site. The
> first expired due to cavitation from a suction side air leak. (Not
> our work) The replacement only lasted 6 weeks, the rotor just blew
> apart, either a bad unit, or something in the line jammed it. There
> was a filter inline just before the inlet. Grundfos honored the
> warranty the first time, but is not covering the damaged impeller.
> Anyone else have trouble with these recently?
>
> Thanks in advance as always,
>
> R. Walters
> Solarray.com
> NABCEP # 04170442
>
>
>
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