Fleck (60102-711) 5600 SXT / 6600 / 6700 Piston Assembly; Downflow Watts1336 500 gallons · Replace every

500 gallons · Replace every 6–12 months

Monitor Pressure

even a few minutes of pumping air into your RO membrane can reduce its lifespan by months

Higher temperatures accelerate polyphosphate dissolution and reduce carbon effectiveness

ensuring adequate clearance for cartridge changes (minimum 24" below unit)

Fleck (60102-711) 5600 SXT / 6600 / 6700 Piston Assembly; Downflow Watts1336 500 gallons · Replace everyFleck Control Valve Component Fleck 60102 711 Downflow Piston Assembly Genuine OEM replacement piston for Fleck 5600 SXT, 6600, and 6700 control valves Factory Original Part Downflow Configuration Multi Model Compatibility The Fleck 60102 711 piston assembly is an essential control valve component that directs water flow during the downflow regeneration cycle. This genuine Fleck part ensures reliable operation in residential and commercial water