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Commercial Reverse Osmosis Systems

Commercial Reverse Osmosis System


RainSoft's Economy and Optimal series of Reverse Osmosis Systems are designed to give you the best value in providing high quality water.

These systems are designed for applications requiring the reduction of dissolved minerals from your source water. Each model is offered in an Economy version and Optimal version, ranging in capacities from 400 to 15,000 gallons per day. Systems are pre-assembled and self-contained on a framed skid. While the EC is efficient and economical, the OP incorporates added features of improved system control and monitoring.


Model OP-RS 12000
Model OP-RS 12000


  • Boilers: Reduce scale and extend cycles
  • Cosmetics: Consistent quality formulations
  • Day Care: safe drinking water
  • Humidification: Reduce scale and dusting
  • Restaurants: Food and beverages
  • Laboratories: Reagent blending and glassware wash
  • Manufacturing: Process and rinse high purity
  • Ice Machines: Clear, better tasting cubes
  • Printing: Consistency for ink make-up
  • Vehicle Wash: Spot Free Rinse
  • Horticulture: Less leaf spots and longer life of cut flowers
  • Water Jet Cutting: Efficient Operations



EConomy Models Include
  • Model EC-RS 800
    Model EC-RS 800
    Epoxy Coated Steel Frame
  • Completely Assembled and Pre-Tested
  • 5 - Micron Sediment Filter
  • Low Pressure Shut Off Switch
  • Non-Corrosive Pump
  • Pressure Regulating/Recycle Valve
  • Liquid Filled Operating Pressure Gauge
  • PVC Membrane Vessel(s)
  • Low Energy Membrane(s)
  • Manual Flush
  • Product Water Control Switch
  • Product Check Valve
  • Reject Flow Control at Rated Flow
  • Pretreatment Lockout Control
  • Terminals for External Level Control


Model OP-RS 800
Model OP-RS 800
Optimal Models Include
  • EConomy Model Features Plus
  • Carbon Block Pre-Filter
  • (Models OP 400, 800, 950 &
  • 900 Only)
  • Feed Water Pressure Gauge
  • Post-Filter Pressure
  • Time Delay Air Purge System
  • Adjustable Reject Control
  • Valve Reject Water Flow Meter
  • Product Water Flow Meter
  • Automatic Flush
  • (Models OP 950 & larger
  • Analog TDS Meter)