The 4650 control combines a rugged lead-free brass body with the time-tested ''L''-style power head with a 12-day clock. Handles water temps up to 180. Backwash capacity handles up to 12'' diameter tanks. Cover and backwash flow control buttons sold separately. Uses standard 5600 style yokes and bypasses. For hot water use choose special 5600 stainless bypass or yoke. Fleck 4650 Spec Sheet Fleck 4650 Service Manual Fleck 4650 Hot Water Parts List SE Controller Spec Sheet and Information Fleck Residential Valve Overview Fleck Commercial Valve Overview

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