After some research and Bryan Norkunas (PV Cables) reaching out, he was
able to supply the 11-SQF-2 and it went down the hole today.
Just FYI, the last one lasted 15 years.
Bill
Feather River Solar Electric
Bill Battagin, owner
4291 Nelson St. (Shipping)
5575 Genesee Rd. (USPS, UPS)
Taylorsville, CA 95983
530-284-7849, 258-1641(cell)
CA. C10 Lic # 874049
Solar Powered since 1982
Home of the Sunny Side Up
On 9/17/2026 3:46 PM, Jay wrote:
I think Zeke misspoke.
I think the 11-2 is no longer made or no longer imported to the US
But most of the other normal SQF are available
On Sep 17, 2026, at 1:42 PM, Kienan Maxfield <[email protected]>
wrote:
I have used the SQF pumps for many years, and I’ve been very
impressed with the longevity of them. When I put a pump 400 feet
below the ground, the price of the pump is a small fraction of the
overall cost, so I don’t mind spending a premium on a pump that I
feel like I can really trust.
Just two weeks ago, I replaced one that broke that had been down
there for many years, and what had happened was that a wire had
corroded through, so any pump can have that happen if the wire gets
nicked…
Anyways, when I picked up a new SQF pump from the master distributor,
they did not mention it being discontinued or anything… when I asked
if they had one in stock, they basically said “Of course.” So if
you’re certain it’s been discontinued, I definitely would like to
know. Perhaps, many places just stopped carrying it…
Thanks,
Kienan Maxfield
On Thu, Sep 17, 2026 at 12:47 PM Bill Battagin <[email protected]> wrote:
All,
Thanks for the help with this pump issue and sorry
about the pump leads to ground comment, I meant to say they both
tested "open". Yes, there seems to be a wide variation in prices
associated with unknown quality/time-tested reliability. Once I
throw a pump down a casing, I and I'm sure my customer, don't
want to see it again for long time. I'll check into the
resources given here to my query.
Bill
Feather River Solar Electric
Bill Battagin, owner
4291 Nelson St. (Shipping)
5575 Genesee Rd
<https://www.google.com/maps/search/5575+Genesee+Rd?entry=gmail&source=g>.
(USPS, UPS)
Taylorsville, CA 95983
530-284-7849, 258-1641(cell)
CA. C10 Lic # 874049
Solar Powered since 1982
Home of the Sunny Side Up
On 9/17/2026 11:06 AM, jay wrote:
Backwoods solar is now selling their own progressive cavity and
centrifugal pumps. Might take a look at them.
<seo_image.png>
Submersible Pumps
<https://backwoodssolar.com/collections/submersible-pumps>
backwoodssolar.com
<https://backwoodssolar.com/collections/submersible-pumps>
<https://backwoodssolar.com/collections/submersible-pumps>
On Sep 17, 2026, at 10:48 AM, Zeke Yewdall
<[email protected]> <mailto:[email protected]> wrote:
The SQF series pumps had a VFD drive and MPPT built into the
pump motor -- no welltop controller was actually needed, except
to integrate float switches into it, switch between different
sources, or show what the pump was doing. But it would run
with 30 to 300 volts DC applied directly to the power wires, or
90 to 240volts AC, no controller. Because of this, you can't
measure the windings of the motor directly on the output leads
like a pump that has just a motor on it.
I did not realize that they were out of production now. I know
there are a lot of cheaper chinese variants out there now at
half or a third the price of a SQF, but I have not tried any of
them yet. Most of the ones I've looked at specs for are a bit
more limited voltage input range compared to the SQF's though.
Zeke
--
Zeke Yewdall
PV Engineer
NABCEP #031508-89
[email protected]
303-523-3592
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