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

[Christopher Warfel]

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