DC sub pumps [RE-wrenches]

[Allan Sindelar]

Eric,
Shurflo pumps are adequate for many jobs. Nothing special, but they're
cheap, reasonably reliable, cheap, relatively easy to fix, and relatively
cheap. I have gained a grudging respect for them over the years. We keep a
few spare parts on hand, and in-shop rebuilds take about an hour and always
seem to work. You don't have to replace the whole pump in most cases--this
may prove different. They have proven as reliable as some pumps costing 3
times as much. But we expect much more reliability out of the expensive
pumps.
Allan at Positive Energy

----- Original Message -----
From: "Eric Smiley" <Eric_Smiley at bcit.ca>
> I recently was called by a client with a 2 year old Sureflow 9300
> submersible pump. It is running on a 12 volt battery system.
>
> The pump seemed to be OK at first. However, after it ran for about 5
> minutes it tripped the breaker on the circuit would no longer operate -
> presenting a dead short at the top of the well.  I had to get back to
> Vancouver so the client pulled the  pump today and I haven't had a
> chance to inspect it.
>
> I'm debating talking the client into an inverter and AC pump or trying a
> DC submersible again.
>
> Any one else encounter this kind of failure?
> I've stayed away from DC sub pumps in the past and this was my first and
> only.
>
> Eric Smiley
> Project Leader
> Photovoltaic Energy Applied Research, Technology Centre
> British Columbia Institute of Technology
> Burnaby Campus
>
> NE25 - 3700 Willingdon Avenue
> Burnaby, British Columbia
> Canada V5G 3H2
>
> phone: 604.432.8657    fax: 604.436.0286
> esmiley at bcit.ca             www.tc.bcit.ca
>
> The information contained in this E-mail is intended for the addressee
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