softener rebuild

Hi all - I bought my house 3 years ago and it came with an old softener with a Fleck 5600 L head (installed outside) that had been put into bypass mode. I don't know if it worked when we bought the house, and I was traveling for work too often to check it out. Now, I'm considering a rebuild and...

I just bought a business a few months ago. My staff was unaware that a North Star NST70UD1 softener was cycling away in the crawl space for the last 6 years. No one has put salt in in all that time. This morning it was making a horrible crackling noise so I bypassed and unplugged it. What is...