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Replace filters as recommended
Will the resin affect water flow rate
Inlet and Outlet Check Valves – Ensure one-way flow to prevent backflow and contamination
High-Capacity RO System:
Autotrol Valve Disc Set 163/168(155a152) Replacement Parts Replace filters as recommendedRestore reliable cycling to your Autotrol valve with this genuine Valve Disc Set for the 163 and 168 models, referenced 155a152 and supplied by Pentair. The set includes the sealing discs that open and close the valve's internal ports as the control head rotates through its regeneration sequence, making it one of the most important wear items in any Autotrol rebuild. Why disc sets matter Inside an Autotrol control valve, the discs seal against ports
