Fleck (17772) Silicone Seal Aquatec AFT Auto Flush with Timer Note that this filter will

Note that this filter will increase water hardness by 4-5 GPG as a byproduct of the neutralization process

unbuffered water samples including tap water

Leak-Resistant

Test permeate TDS and flow rate monthly to track membrane condition

Fleck (17772) Silicone Seal Aquatec AFT Auto Flush with Timer Note that this filter willFleck Control Valve Component Fleck 5600 Silicone Seal (Model 17772) Factory spec seal for Fleck 5600 control valves. Prevents leaks at the piston assembly and maintains proper valve cycling pressure. OEM Part Fleck 5600 Model 17772 WHAT IT DOES Critical seal for piston operation The Fleck 17772 silicone seal sits inside the control valve piston assembly and creates the hydraulic pressure differential that allows the valve to cycle through backwash,