Fleck 4650 (for hot water)

Summary

Product identification

• Model: 4650 Hot Water Control Valve
• Part No.: 40744 Rev A (3/09)
• Type: Time clock control valve with double backwash
• Application: Water softener, Filters

Operating limits

• Working Pressure: 20 - 125 psi
• Hydrostatic Pressure: 300 psi
• Temperature:
  • Cold water: 34° - 110° F
  • Hot water: 34° - 180° F

Feed water

• Max. backwash capacity: Accommodates tanks up to 12" diameter
• Backwash flow rate (25 psi drop): 7 GPM

Product water

• Continuous service flow rate (15 psi drop): 20 GPM
• Peak flow rate (25 psi drop): 26 GPM
• Cv (flow at 1 psi drop): 5

Electrical

• Voltage options: 24 v, 110 v, 220 v - 50 Hz, 60 Hz
• Power Consumption: Very small annual power consumption

Mechanical / hydraulic

• Valve Body Material: Lead-free brass*
• Inlet/Outlet Size: 3/4", 1", or 1-1/4"
• Cycles: 7 (downflow brining control)
• Regeneration: Downflow/Upflow, Downflow only
• Adjustable cycles: Brine fill only
• Time available per cycle: 180 minutes
• Distributor pilot O.D.: 1-1/2"
• Drain line: 1/2" NPTF
• Injector brine system: 1600
• Brine line: 3/8"
• Mounting base: 2-1/2" - 8 NPSM
• Height from top of tank: 7"
• Estimated shipping weight (Time clock): 7 lbs.

Options

• Fiber-reinforced polymer or stainless steel bypass valve

• Backwash filter

• Auxiliary switches

• Hot water capability up to 180°F for filters and non-metered control valves

• Choice of 7 or 12 day clock

• As defined in the U.S. EPA Safe Drinking Water Act

Disclaimer: This summary is based on extracted text and may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror