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Herco Compact Commercial RO System


Our Herco Compact Commercial RO System is a freestanding unit suitable for wall mounting or fixing to the floor. The single 4040 membrane option offers permeate flow rates of up to 300 litres per hour, whilst the double 4040 membrane option offers increased permeate production of up to 500 litres per hour. High recovery rates between 75-80% mean less waste water and an average salt rejection figure of 97% make this pumped RO system excellent for a range of pure water production applications.

Why Choose Our Herco Compact Commercial RO System?

  • Supplied with 5 micron sediment pre-filter and choice of one or two 4040 RO Membranes
  • Wall or floor mountable with a powder coated stainless-steel frame
  • Integrated control panel with conductivity meter
  • High recovery and rejection rates

Need help with our Herco Compact Commercial RO System? Give us a call on 01622 933 853


These well constructed RO systems are supplied wired and pre-assembled on a stainless-steel frame, ready for installation. Featuring a 5 Micron sediment pre-filter, single or double 4040 membrane, high pressure rotary vane pump with low pressure switch, permeate and concentrate flow meters and RO 524 Controller. The control panel allows for fully automated monitoring of the system, with permeate conductivity display and automatic concentrate flushing after each operating cycle or 24 hours of standby. If you are feeding the system with chlorinated water then suitable carbon pre-treatment is recommended.

Suitable for a feed water TDS of up to 1000ppm and water temperatures of up to 35°C. As with all RO systems the permeate recovery and rejection figures depend on several factors such as feed water quality, temperature and the type of pre-treatment used. If your water hardness is over 100ppm it would be recommended to install a water softener prior to the system to prolong the life of the RO membranes.

How Often Do I Need To Replace The Filters In The Herco Compact Commercial RO System?
The sediment pre-filter should be changed when the gauges show a differential pressure reading of 1.5 bar. The RO membrane should be replaced when you notice a drop in permeate production or quality. With soft water, membranes can last up to 5 years however with extremely hard water (and no pre-treatment) membrane lifespan can be reduced to 12 months or less.

Key Product Information

  • 75-80% Average recovery rate
  • Integrated booster pump
  • Supplied with RO 524 control panel
  • Pre-assembled and ready to install
  • Permeate and concentrate flow meters

Compatible Products

Need help with our Herco Compact Commercial RO System? Give us a call on 01622 933 853


Suitable For

Light Commercial, Food & Beverage, Restaurants, Humidifiers, Coffee Machines, Steamers, Boats, Caravans, Manufacturing, Steam Generation, Electroplating, Window Cleaning, Car Detailing

Supplied With

Powder Coated Stainless-steel Frame
RO 524 Control Panel
5" 5 Micron Sediment Pre-Filter
1 or 2 4040 RO Membranes
High Pressure Single Phase Rotary Vain Pump
Low Pressure Switch and Pump Pressure Gauge
Pre-Filter inlet/outlet Pressure Gauges
Permeate and Concentrate Flow Meters
Solenoid Inlet Valve


Width 400mm, Height 1240mm, Depth 380mm


Single Membrane 55kg
Double Membrane 70kg

Permeate Flow

300 Litres Per Hour
500 Litres Per Hour


230 V/50Hz

Average Rejection Rate

Minimum 97%

Recovery Rate


Maximum TDS

1,000 mg/l

Water Temperature

Up To 35°C (Ambient Temperature 40°C)


RO 524

Max Operating Pressure

12 Bar (Feed Water Pressure Min/Max 4/6 Bar)


Permeate/Concentrate Connection: DN10
Feed Water Connection: DN20


1 – 99 μS/cm

pH Range


Feed Pressure

Minimum 4 Bar


Resources Available For This Product:

frank woolnough
frank woolnough
The first time using this site, and im more than pleasd with the service and delivery of the product. Will use again no problem.
Gary Kinsley
Gary Kinsley
Excellent service, fast delivery (although there was no urgency) and great after sales service from Becky who's very helpful and knowledgeable.
Eamonn Dorling
Eamonn Dorling
Prompt and well informed service
Marco Polo
Marco Polo
This company gives the best customer service I have EVER EXPERIENCED in the UK. If every company gave this much care and attention to their customers the UK would easily lead the world in business. Truly ⭐️⭐️⭐️⭐️⭐️ I cannot recommend enough Marco Crawford
Gary Barbour
Gary Barbour
The team were brilliant offering great advice, very knowledgeable on their products and I will definitely be using them again!
Alice Sefton
Alice Sefton
Really great service, I wasn't too sure what size of water filter to order so sent in a picture, the size was identified and the new filters were with me a day after purchase.
Jill and Garry Clark
Jill and Garry Clark
Excellent service.
Matthew Durdy
Matthew Durdy
Prompt service and follow up. Like it should be.
Resin cleaner turned up on time and worked as expected. Great service - Will use again
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