''culligan brine tank valve mark 59'' ok here goes, this may be pretty tough. I have tried for years to get a detailed servise manual and never found one. I have a mark 59 culligan water softner that i bought new in 1982. sure it has some age but so do i and i keep working. there is a 400 pound cap brine tank (5) 80 pounders with a 5/16 water line running over to the ''main unit''. I have to add 1 to 2 gallons of water with a bucket to the brine tank every night for the reg. process because it will not do it auto. When the unit runs its 5 or so processes and it gets to the part to refill the brine tank, it is sending plenty of water pressure to the brine tank, because if I unscrew the supply line it will blow all over the place. The maybe called brine tank valve in side the brine tank is maybe 3 feet tall and pulls out really easy. I have cleaned it and there is no broken or worn parts. There is a plastic ball that floats and serves as a valve I think. When I hook up the supply line to refill there is a noise like bump, and it never refills.
Tired of carrying water, thanks

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