Water Softeners and Air Filtration Systems - Culligan Mark 100 Water Softener display C5

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DHartman
12-25-06, 11:38 AM
My Culligan Mark 100 Water Softener is displaying C5 or CS. Any clues? It was installed in the house around 1996.

Thanks

DHartman
01-05-07, 08:27 PM
Believe it or not it means "Call Service" CS
lol