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This is valve for dual tank, twin tank tank valve connects water softener automatically alternating as needed.
Metered measures water will switch tanks ensure around the clock. --- Fully adjustable control delivers downflow brining, rapid rinse, timed brine refill and service Perfect for light twin tank conditioning Continuous 21 GPM are only "all control Backwash capacity handles tanks up to 16" Choice of 1" range operational Valve water Salt savings by 100% capacity the tank to the second Regenerates immediately for continuous Regenerates with soft and keeps for optimum operating.
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