[RE-wrenches] 120-240 Transformer loud vibration and humming.

[Howie Michaelson]

John,
If you need a T240 (internal or external), I have a few used ones (and
maybe a new one) in storage.
Howie


On Wed, Jan 22, 2025, 10:14 AM Christopher Warfel via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> I could be a loose electrical or mechanical connection. It's been
> installed for a while and connections could have loosened up from
> expansion and contraction.
>
> On 1/18/2025 9:06 AM, John Blittersdorf via RE-wrenches wrote:
> > Hi Wrenches,
> >   I have a customer with an SW4024 installed in 2003 with the Trace
> > T220 transformer for
> > her well pump.  Recently it has started making a lot of noise when the
> > well pump comes on.
> > I checked the current on the well pump and it seems to be in the
> > normal range.  I have never had a transformer failure. Could this be a
> > failing transformer?
> >
> > Also, I have not been able to source a new one (Outback T240).  Are
> > there other brands
> > some of you may have used for a step up transformer?
> >
> > John Blittersdorf
> >
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> --
> Christopher Warfel, PE
> ENTECH Engineering, Inc.
> PO Box 871, Block Island, RI 02807
> (401) 447-5773
>
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