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Examine the valve for any mechanical obstructions or issues
Will the resin affect water flow rate
Replace filters as recommended
Engineered for durability and precise control within demanding water treatment environments
It is designed specifically for Nelsen wide body filter housings
Autotrol Valve Disc Set 163/168(155a152) Replacement Parts Examine the valve for anyRestore 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
