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Hi-Flo® 50 Industrial Water Softener

Hi-Flo® 50 Industrial Water SoftenerStandard Features

  • 24 Volt Culligan’s MVP™ Controller – Field programmable with a back-lit LCD display and
    UL listed 120v/24v transformer.
  • Single, Duplex, Triplex, or Quad Configurations – Hardness removal capacities up to 2,000,000 grains per tank. Continuous flow rates up to 240 gpm per tank.
  • Regeneration initiation by choice of time clock, meter or Aqua-Sensor® inputs.
  • Side-Mounted Control Valve – Guided perimeter designed diaphragm valves are smooth operating and free of water hammer. All valve parts are easily accessible in the multiport design for ease of service.
  • Corrosion resistant tanks – Made of low carbon steel with epoxy interior lining and finish coat painted exterior.

Applications and Benefits

  • Educational Facilities—Boiler and cooling tower make-up water for scale reduction and improved energy costs.
  • Restaurants—For dishwashing, cleaning material savings, scale reduction.
  • RO/DI Pretreatment
  • Car washes—Quality results, detergent and water heating savings, scale reduction.
  • Apartment buildings, assisted living facilities and hotels—Quality water for laundry, dishwashers, boilers.
  • Industry—For process and make-up water, boiler and cooling system pretreatment, general housekeeping.
  • Office buildings—For heating plant pretreatment, tenant convenience, general housekeeping.


Culligan’s Brine System

  • Corrosion resistant construction for long life.
  • Adjustable salt dosage.

Skid Mounted – fully pre-piped and wired systems for single point field utility connection of inlet, outlet, drain and power supply.

Patented Progressive Flow – Culligan’s MVP™ Control can monitor flow demands bringing additional softening tanks on-line or offline as flows increase or decrease.

ASME Code Tanks

Culligan® Salt Saving System – reduces operating costs by recycling a portion of the regeneration water.

Patented Aqua-Sensor® Control – initiates regeneration only when needed based upon water hardness. Automatically adjusts to changes in raw water hardness and water consumption.

Flow Measuring Devices – are available for volume based regeneration initiation.

Gauge Packages – pressure gauges provided for mounting at the inlet and outlet connection.


Culligan’s Hi-Flo 50 water softeners are backed by a limited 1-year warranty against defects in material, workmanship and corrosion. In addition, softener tanks are warranted for a period of 5 years.*

*See printed warranty for details.
Culligan will provide a copy of the warranty upon request.

System Specifications

Pressure: 30–100 psig
210–690 kPa
Power: 120 Volts /60hz
220 Volts /50hz
Temperature: 40–120°F
4 - 49°C
Turbidity: 5 NTU, max.2
Chlorine: 1 mg/L, max.2
Iron: 5 mg/L
1 120 Volt/24 Volt CUL/UL listed Transformer Included.
2 See media specification for details.

The contaminants or other substances removed or reduced by this water treatment device are not necessarily in your water.

Model Resin Qt.
Pipe Size Flow Rate (gpm) Tank Size***
Continuous* Peak** Softener Brine****
HS-1203 40 3" 138 230 48" x 60" 48" x 60"
HS-1503 50 3" 160 230 54" x 60" 48" x 60"
HS-1504 50 4" 208 320 54" x 60" 48" x 60"
HS-2004 67 4" 240 363 60" x 60" 60" x 60"
* Flow rate at a 15 psi pressure loss. Flow rates shown are per tank.
Low flow channeling (flow rates less than 0.5 gallons per minute per cubic foot of resin) may cause hardness leakage into effluent.

Aqua-Sensor Patent: #US 5,699,272
Progressive Flow Patent:
#US 5,060,167 / US 5,351,199

** Flow rate at a 15 psi pressure loss.
*** Dimensions are diameter by tank height.
**** Per Softener Tank


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Culligan Headquarters
Greater Rochester Area

1475 North Clinton Ave.
Rochester, New York 14621
(585) 266-2876
Culligan Headquarters
Schenectady & Saratoga Counties

One Culligan Drive
Scotia, New York 12302
(518) 374-1805
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