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4000GPD RO System (Rotek)

R48 300

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500 L/hr Industrial RO System – Rotek Commercial Water Purification

The 500 L/hr industrial RO system from Rotek delivers consistent, high‑quality water purification for commercial and light industrial use. Because it can produce up to 500 litres per hour, this system suits applications like small manufacturing plants, laboratories, office buildings, beverage production, and other setups that require steady clean water.

Moreover, the 500 L/hr industrial RO system is designed to work with feed water having total dissolved solids (TDS) below 1 500 ppm, which makes it suitable for both fresh and brackish sources.

How the Rotek RO System Delivers Clean Water

First, raw water enters the unit and passes through pre‑filters. Then, it is forced through two 4040 reverse osmosis membranes at high pressure. Because these membranes block most dissolved salts and contaminants, the system delivers a steady stream of purified water. In addition, the automated controller helps keep performance consistent and easy to monitor.

Key Features of the Rotek 500 L/hr Industrial RO System

  • High‑Capacity Output: Produces up to 500 liters per hour for daily use.
  • Micro‑Computer Controller: Displays TDS and operating status, making it easier to operate.
  • Dual 4040 Membranes: Two 4040 reverse osmosis elements provide broad contaminant removal.
  • Multistage High‑Pressure Pump: Steady water pressure ensures consistent membrane performance.
  • Comprehensive Monitoring: Pressure gauges and flow meters help you track performance easily.
  • Factory Tested: Pre‑assembled and tested before delivery to reduce setup time.

Technical Specifications

Specification Detail
Brand Rotek
Capacity 500 L/hr (~4000 GPD)
Feed Water TDS < 1500 ppm
Recovery Rate ~34–75%
Membrane Elements 2 × 4040 RO membranes
Membrane Housing FRP high‑pressure housings
Pump 2 HP multistage high‑pressure pump
Controller Microcomputer with TDS readout
Pre‑Filters Dual 5‑micron sediment filters in series
Connections Feed 3/4″ FNPT; permeate/concentrate 1/2″
Dimensions ~69 × 63 × 147 cm
Weight ~88 kg
Flow Meters & Gauges Included for permeate, concentrate, and feed

These specs reflect typical Rotek 500 L/hr systems with 4040 membranes, controllers, gauges, and multistage pumps.

Benefits of Choosing This RO System

  • Provides consistent, purified water to support daily operations.
  • Easy monitoring and control thanks to micro‑computer and gauges.
  • Reliable membrane performance with dual 4040 RO elements.
  • Low maintenance and factory testing reduce setup time.
  • Adaptable for pretreatment when installed with sand, carbon, or antiscalant systems for tougher feed water.

Furthermore, the system integrates well with additional pretreatment equipment like sand filters and carbon filters to protect membranes in harsher water conditions.

Installation & Maintenance

Install the 500 L/hr industrial RO system on a level surface near the water source. Then, connect the feed, permeate, and concentrate lines, and power supply. Before full operation, flush the pre‑filters and RO elements to clear any loose particles. After that, monitor TDS and pressure regularly to ensure the system runs smoothly. Replace filters and membranes based on usage and water quality.

Return And Refund Policy

INSTORE EXCHANGES AND REFUNDS

For your convenience, item(s) purchased online may be exchanged or refunded at any Puritech store within South Africa, provided all online return policy conditions are met.  A refund will be provided to you by crediting your original method of payment. Please note that cash refunds will not be provided under any circumstances and courier charges cannot be refunded.
Item(s) purchased at any Of Our store within South Africa can only be returned at a Puritech store within South Africa.

Puritech Online Returns Policy

There may be times when you will need to return an item purchased from us. Our Returns Policy is designed to assist you with your return. The benefits given by our Returns Policy are in addition to other rights and remedies you may have as a consumer under the Consumer Protection Act (CPA), as well as any other applicable acts.

If you wish to return any item(s) you have purchased, you can either return the item(s) via courier to our online store or in-person to a Puritech store within South Africa (only) within 14 days from the date of purchase…

We encourage you to return your parcel via Fast Way, Courier Guy, FedEx, or ParcelIt traceable courier services as all returned parcels remain the responsibility of the purchaser until received by Puritech.

Store purchases cannot be returned or refunded online.

Returns Policy Conditions

At Puritech we want to ensure you love the items you purchase. If you have changed your mind on a purchase we will exchange your item or refund your original method of payment provided that:

  • You return the item within 14 days (inclusive) from the date of purchase.
  • You produce your original Puritech invoice (receipt) when you return the item
  • The item is in original saleable condition:
  • With all original tags still attached
  • In an unopened and unused state
  • A return form is completed and accompanies your item(s) being returned
  • In original packaging

If you are not able to comply with these requirements, Puritech reserves the right to refuse an exchange or refund on change of mind items. Puritech will not accept a bank statement as proof of purchase.

We regret that we are unable to accept the exchange or return of the following items for change of mind for hygiene reasons:

  • Open Filters
  • Open Membranes
  • Used Reverse Osmosis Systems

Online Exchanges and Refunds

Online Exchanges

If you would like to exchange an item(s) for an alternative item(s), please complete the online Return Request form that is located within My Account under ‘My Orders’ prior to sending the item(s) back.

Exchanges can only be exchanged for the same value of the purchase price of the item being returned.

Your item (s) that you wish to return needs to be sent back to our online returns address with the relevant return documents, duly completed, and a tax invoice (receipt).

If the alternative item is no longer available, provided all the Returns Policy Conditions are met, a refund will be provided to you crediting your original method of payment. All return courier costs will be for your own expense and this will be deducted from your refund amount.

Online Refunds

To obtain a refund please fill out the online Return Request (RMA) form that is located within My Account under ‘My Orders’ prior to sending the item(s) back.

A refund will be provided to you crediting your original method of payment, providing all the Returns Policy Conditions are met and our warehouse has received the original item that is being returned. Cash refunds will not be provided under any circumstances.

COMPLETING A RETURNS REQUEST FORM ONLINE

  • Log into your Puritech “My Account” and go to “My Orders”.
  • Click on the order that contains the item(s) that you wish to return or request an exchange for and click on the returns button.
  • After you have submitted your return request, one of our friendly staff members will get in contact with you to organize a collection.
  • Once you have sent your item(s) back to our warehouse, our warehouse will authorize the refund.

Before sending, please ensure all details on this form are correct. You will also need to write the returns number on the outside of the parcel. You will be notified by email of the status of your exchange or refund.

Please Note!

Puritech does not cater for courier costs involved in bringing back a faulty product or sending it back to the client.