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Herco Light Commercial RO System


Our Herco Light Commercial RO System is a compact, pre-assembled and cost-effective solution for RO water production. The system offers a permeate flow rate of up to 130 litres per hour, a recovery rate of 50% and an average minimum rejection rate of 95% thanks to its integrated pump. Impressive stats for a unit of its size, making it great for space-sensitive installations (like under a sink or in a small plant room).

Why Choose Our Herco Light Commercial RO System?

  • Supplied with carbon pre-filter and 4021 RO Membrane
  • High permeate production for a system of its size
  • Pre-assembled on a stainless-steel mounting plate
  • Integrated control panel with conductivity meter

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


The thoughtful system design offers some useful additional features including a pressure switch, a solenoid valve to control automatic flush cycles and the RO 524 control system which displays permeate conductivity, forced stop and full tank. Able to be used for on-demand RO water production or to feed a storage tank thanks to low voltage inputs for up to 2 float switches, this small but mighty system will fill an IBC in under 8 hours.

Suitable for a feed water TDS of up to 1000ppm and a water temperature 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 membrane.

How Often Do I Need To Replace The Filters In The Herco Light Commercial RO System?
The carbon pre-filter should be changed after 100,000 litres or every 6 months, whichever comes first. The RO membrane should be replaced when you notice a drop in permeate production or water 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

  • 50% average recovery rate
  • Integrated booster pump
  • Supplied with RO 524 control panel
  • Pre-assembled and ready to install
  • Pressure switch and gauge for pump feed

Compatible Products

Need help with our Herco Light 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, Window Cleaning, Car Detailing

Supplied With

Stainless Steel Mounting Plate
RO 524 Control Panel
10” Carbon Pre-Filter
4021 RO Membrane
High Pressure Impeller Pump
Low Pressure Switch and Pressure Gauge


Width 800mm, Height 360mm, Depth 360mm



Permeate Flow

130 Litres Per Hour


230 V/50Hz

Average Rejection Rate

Minimum 95%

Recovery Rate




Maximum TDS

1,000 mg/l

Water Temperature

Up To 35°C (Ambient Temperature 40°C)


RO 524

Max Operating Pressure

10 Bar (Feed Water Pressure Min/Max 3/6 Bar)


Permeate/Concentrate Connection: DN10
Feed Water Connection: R 3/4" AG


1 – 99 μS/cm

pH Range


Feed Pressure

Minimum 3 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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