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Aquatec Permeate Pumps

 Model No. Flow (GPD) Description  
Permeate Pumps


Male Stems for Connection to 5/16" × ¼" Quick Connect Fittings (listed below) with Clip.
Aquatec Permeate Pump for Increased RO System Performance ERP1000-JG-S
5/16" × ¼"T Reducing Union, John Guest, Straight -
5/16" × ¼"T Reducing Union, John Guest,  Elbow -

Aquatec’s original Permeate Pump (ERP1000) is a simple, yet revolutionary, device. Powered only by the hydraulic energy of brine water usually lost to the drain (i.e. no electricity required), the Permeate Pump forces product water into the storage tank, reducing membrane back pressure and maximizing available feed pressure. These pumps dramatically improve the efficiency of RO water production, reducing wastewater by up to 80%. Permeate Pumps can also bring storage tanks up to line pressure and then shut the system down when these tanks reach capacity, eliminating the need for a hydraulic shut-off valve. Other benefits of this Aquatec Pump include higher delivery pressures, faster RO water production, superior water quality, and extended filter/membrane life. The ERP1000 can easily be retrofitted to upgrade existing R.O. systems.

Click here to download Aquatec Permeate Pump Installation Instructions

Shop online for Aquatec Permeate Pumps.

Features & Benefits of RO Permeate Pumps:

  • Requires no electricity, powered by energy from brine water
  • Improves recovery rates by as much as 400%
  • Reduces waste water by as much as 80%
  • Enhances contaminant rejection
  • Ideal for membranes rated from 10-100 GPD
  • Effective for inlet water pressure as low as 30 psi
  • Increases membrane life, lowers “TDS creep”
  • Fills product tank up to 4 times more rapidly
  • NSF approved (Standard 58)
  • Two year manufacturer’s warranty

How does the permeatepump work?
The ERP 1000 Permeate pump is using the energy of the brine Water of your RO- system, to pump the permeate into your pressure Tank. It does not require electricity for that. It is just using hydraulic energy that normally goes to drain unused.

This way, it isolates your Tank from the membrane and lets your membrane perform like in an atmospheric tank system.


How Does a Permeae Pump Work?

Permeate Pump FAQ

Q. What maximum production membrane can be used with the ERP 1000?
A. ERP 1000 will handle permeate production of 100 gallons per day.

Q. My holding tank will not develop enough pressure to supply remote locations
A. A Permeate Pump allows more water to be forced into the air bladder holding tank, thereby creating higher pressures, providing an automatic shut off valve (ASV) has not stopped the flow of feed water.

Q. My permeate pump is not working, because I cannot hear it clicking?
A. First, determine it is not working by removing the tube connection to the holding tank. If permeate is not being ejected from the permeate out port, then check to see if permeate water is being produced by removing the tube connection from the membrane. Finally, remove the brine connection to see if brine water is being supplied to the pump.

Q. Is there an Automatic Shut-off valve for use with the Permeate Pump?
A. Yes. The ASV 2000 was designed to allow more water to be stored in the pressurized holding tank before the feed water valve closes.

Q. Is an Automatic Shut-off Valve required?
A. We recommend using a high volume shut off valve with our Permeate Pumps to avoid “TDS creep” during startup each time a small quantity of water is produced.



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