I used two pairs of these connectors on my chlorine generator cell in my pool. My old connectors were the same type and water got into them, corroding the terminals. I had a terminal crimping tool that I highly recommend, it makes a really clean and efficient crimp. The fit and waterproofing of these connectors appear to be good (time will tell). Very pleased, I have more connections than I need but that's a fraction of the price of a new cell with the serviceability this system needs.
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