WS3-AF30, =Nelsen 30" x 72" Filter Unit,

Systems feature the Clack WS3, 3” control valve with 9 fully adjustable cycles. Optional double backwash feature offers optimum regeneration, cleaning ability and efficiency. Also included are commercial distributors and gravel bed; choose from a variety of filter media.

• 3” top mount or side mount control valve suited for commercial and industrial applications
• Lead free brass valve body
• Economical stainless steel optional meter assembly
• Service flow rate 250 gpm (946 lpm) (56.8 m3/h), Backwash flow rate 220 gpm (833 lpm) (50.0 m3/h)
• Solid state microprocessor with easy access front removable POD
• Front panel display for Time of Day, Current Flow Rate, Totalizer and Volume/Days until Regeneration
• Methods to initiate down flow regeneration; meter delayed, meter immediate, time clock delayed
• Fully programmable regeneration cycle sequences (maximum 9)
• Fully programmable regeneration cycle times
• Pre or Post treated water regenerant refill
• Days override feature; 1-28 days available
• Capacitor back-up with up to 24 hour carry over
• 20-volt output AC adapter provides safe and easy installation
• Reliable and proven DC drive