I had a similar pipe leak. I forgot how I located it, but I used a vaccumn gauge or pump and to determine how far down the well the the leak was and pulled the pump and pipe and found a crack.
On Sat, May 25, 2024 at 8:41 PM Bradley Bassett via RE-wrenches < [email protected]> wrote: > I have a water system with a Grundfos SQFlex SQF3-2 pump. I'm getting > water flow in reverse either through the pump or a leak up to the pump. My > question is if the check valve on the top of the pump is not sealing, will > the progressive cavity pump allow water to flow through the pump in > reverse? I'd think that with a positive displacement pump it would not, > except very slowly or if it turned the motor backwards which I think would > be very unlikely. There is about 100 psi head on the pump. > > I think it's most likely I have a leak somewhere in the plumbing, and of > course another failed check valve farther up in the plumbing. It's possible > to get failures even with redundant protection if you have two concurrent > failures, which I must have here. > > Brad Bassett > Old time solar guy who used to do solar pumping back in the '80's and > '90's. Mostly retired now. > > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > >
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