Excellent Water Quality is a Smart Business Decision.

The E1 Plus Reverse Osmosis System is an economical water treatment solution, which reduces operating and post treatment costs. The E1 Plus Reverse Osmosis system helps you reduce maintenance costs by reducing contaminants (Contaminants may not necessarily be in your water.) from your water that affect taste and clog equipment. Control your installation costs by using a system configured for your unique needs. Keep your operating costs low with an easy-to-use electronic controller.

The E1 Plus RO is part of the Culligan® Commercial and Industrial Solutions that combine durable and efficient equipment, systems experience, and technical experts who understand your unique requirements.
Culligan® E1 Plus Series Reverse Osmosis Systems
Unit of Measure
Items Culligan® E1 Plus Series Reverse Osmosis Systems
E1-1S
Culligan® E1 Plus Series 0.17 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System
Culligan® E1 Plus Series Reverse Osmosis Systems
E1-2S
Culligan® E1 Plus Series 0.35 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System
Culligan® E1 Plus Series Reverse Osmosis Systems
E1-3S
Culligan® E1 Plus Series 0.52 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System
Culligan® E1 Plus Series Reverse Osmosis Systems
E1-4S
Culligan® E1 Plus Series 0.69 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System
Culligan® E1 Plus Series Reverse Osmosis Systems
E1-2L
Culligan® E1 Plus Series 0.83 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System
Description N/A Excellent Water Quality is a Smart Business Decision.

The E1 Plus Reverse Osmosis System is an economical water treatment solution, which reduces operating and post treatment costs. The E1 Plus Reverse Osmosis system helps you reduce maintenance costs by reducing contaminants (Contaminants may not necessarily be in your water.) from your water that affect taste and clog equipment. Control your installation costs by using a system configured for your unique needs. Keep your operating costs low with an easy-to-use electronic controller.

The E1 Plus RO is part of the Culligan® Commercial and Industrial Solutions that combine durable and efficient equipment, systems experience, and technical experts who understand your unique requirements.
Brands N/A Culligan®
Type N/A Reverse Osmosis
Inlet Pressure (Dynamic) N/A 20 to 50 psig1.4 to 3.5 kPa
Maximum Operating Pressure N/A 95 to 225 psig6.6 to 15.5 kPa
Voltage N/A 115 V
Frequency N/A 60 Hz
Phase N/A 1
Feed Water Temperature N/A 33 to 100 ºF1 to 40 ºC
Maximum Turbidity N/A <1 NTU
Water Range N/A 3 to 11 pH
Maximum Chlorine N/A 0 mg/L
Maximum Total Dissolved Solids (TDS) N/A 2500 mg/L
Well Water Silt Density Index N/A <3
Surface Water Silt Density Index N/A <5
Maximum Iron N/A <0.1 mg/L
Nominal Salt Rejection N/A >98 %
Product Water Hardness (Raw) N/A <1 %
Nominal Capacity N/A 0.17 gpm0.65 L/min250 gal/d0.04 m³/h N/A 0.35 gpm1.31 L/min500 gal/d0.08 m³/h N/A 0.52 gpm1.97 L/min750 gal/d0.12 m³/h N/A 0.69 gpm2.63 L/min1000 gal/d0.16 m³/h N/A 0.83 gpm3.15 L/min1200 gal/d0.19 m³/h
Note for Nominal Capacity N/A Nominal capacity based on new RO membranes operating on a properly pretreated feed water of 500 ppm TDS as NaCl, 77 ºF (25 ºC), Silt Density Index (SDI) below 3, and supplying water to atmosphere.
Module Quantity N/A 1 N/A 2 N/A 3 N/A 4 N/A 2
Module Size N/A 2.5 x 21 in N/A 2.5 x 21 in N/A 2.5 x 21 in N/A 2.5 x 21 in N/A 2.5 x 40 in
Nominal System Recovery N/A 25 % N/A 50 % N/A 50 % N/A 50 % N/A 50 %
Motor Power N/A 1/3 hp0.25 kW N/A 1/3 hp0.25 kW N/A 1/3 hp0.25 kW N/A 1/3 hp0.25 kW N/A 3/4 hp0.56 kW
Industry Standards/Certifications N/A Tested and Certified by WQA to NSF/ANSI 61 and 372
Length N/A 37 in940 mm
Width N/A 10 in254 mm
Height N/A 37.75 in959 mm N/A 37.75 in959 mm N/A 37.75 in959 mm N/A 37.75 in959 mm N/A 46.25 in1175 mm
Markets Served N/A Agriculture Assisted Living Automotive Bio-Pharmaceutical Botanicals Bottled Water Plants Casinos Chemical Processing Commercial Buildings Dairies Educational Facilities Electronics Energy/Power/Cogeneration Food/Beverage Government Grocery Health Clubs Hospitals/Healthcare Hotels/Lodging Ink/Dye Production Laboratories Laundry Manufacturing Marine Military Multi-Unit Housing Municipalities Oil/Petroleum/Gas Plating/Coating Printing Pulp and Paper Textile Theme Parks Universities Vehicle Wash
Examples of Reverse Osmosis (RO) Applications N/A
  • Ice Production/Drinking Water (Reduces scaling, improves taste and clarity)
  • Steam Production (Reduces scaling and maintenance)
  • Humidification (Reduces scaling and dusting)
  • Misting (Reduces scaling, improves taste and clarity)
  • Pretreatment for High Purity Systems (Reduces regeneration requirements)
  • Reclaim/Recycling (Water conservation)
  • Washing and Rinsing (Improves performance, spot-free rinses)
Standard Features N/A
  • Wall Mount Design
  • Rotary Vane Pump
  • Inlet Solenoid Valve
  • Pretreatment Sediment Filter
  • Concentrate and Recirculation
  • Throttling Valves
  • Pressure Indicators
  • FRP Membrane Housings
  • Culligan® CP+ Control Panel
    • Level Control Input
    • Pretreatment Lockout
    • Startup Flush/Timed Flush
    • Low Pressure Auto-Restart
    • Indicator Lights
Optional Features and Accessories N/A
  • Multi-Stage Pretreatment Filters
  • Storage Tanks
  • Level Controls
  • Chemical Feed Pumps
  • Ultraviolet Sterilization
  • Pressurized Storage System
  • Floor Stand
  • Global Power Platform
  • 220 v/50 HZ
  • Additional Customization Available on Request
  • Auto Shut Down on High Product TDS
Culligan® Commercial and Industrial Advantages N/A
  • Simple System Integration
  • Global Product Platform
  • Flexible Configurations
  • Quick Delivery/Easy Installation
  • Culligan® CP+ Controller
Additional Information N/A From planning your system to installing your water treatment equipment, Culligan® Commercial and Industrial Solutions offer options that help deliver the quality of water to meet your needs. Consult with a Culligan® representative to create your solution.
Note N/A Productivity will vary depending on the actual feed water quality and temperature.