K1 re-solder and SWG replacement


New member
Mar 29, 2022
San Rafael, CA
Pool Size
Salt Water Generator
SWG Type
Hayward Aqua Rite (T-15)
I just wanted to say thanks to folks on the forum who've contributed info about the Hayward K1 bad solder joint issue.

I'm a new pool owner learning about a lot of deferred maintenance from the former owner.
Old T-15 SWG didn't appear to be working, so I ordered a new one.
Old T-15 looked surprisingly good inside. Same errors on the panel when I installed the new one...

A little searching here and I found the threads about the bad K1 solder joint being a common Hayward AquaPlus problem and a few minutes later, I confirmed the issue on my board:
So a little soldering later, it seems everything is working again!
No more "High Salt/Amps" warning and the voltage and amps now look correct. As best as I can tell, the SWG is now operating correctly.

Thanks again! You guys saved me a lot of frustration.
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