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  Top » Catalog » FAQ » Pumps/Pressure
Pumps/Pressure

Q&A on Pumps for RO Systems

  1. How do I install a permeate pump onto my residential RO?
  2. Can Auto Shut Off Valve be used w/ boost pump & pressure switch?
  3. Can the PSW be used with an open container?
  4. The Aquatec booster pump output pressure is only 60psi?
  5. What effect does feed pressure have on the tank/faucet pressures
  6. The pump that delivers water to the refrigerator is noisy.
  7. What is the useful life of a Procon Pump?

  1. How do I install a permeate pump onto my residential RO?

    Click Below for permeate pump installation instructions:

    ERP-1000 Installation Instructions (PDF)



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  2. Can Auto Shut Off Valve be used w/ boost pump & pressure switch?

    Yes, if the PSW shuts off the pump BEFORE the Auto Shut Off Valve shuts off the water supply to the membrane. If the ASV is located upstream of the pump, and shuts off the supply of water to the pump while it is still running, the PSW will continue to allow electricity to flow to the pump. While dry running is not harmful to the pump, energy is consumed, and moving parts are wearing.

    If the ASV is located between the pump and the membrane, the pump will continue to run under pressure, requiring the water in the pump to continually by-pass within the pump. This condition will develop heat, and may cause damage to the pump.



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  3. Can the PSW be used with an open container?

    The water level in an open container is normally determined by a float device that shuts off, or turns on, electricity to the pump when the desired level has been reached. If the container is non-metallic, electrical currents can be transmitted through water with purity levels down to 3 ppm TDS, sending a signal to a solenoid and pump switch. Click on Aquatec’s accessory section to learn about the Tank Level Controller.



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  4. The Aquatec booster pump output pressure is only 60psi?

    Assuming you have not adjusted the by pass setting, you may be using a membrane
    with a permeate production higher than the pump can supply. Either switch to a higher
    flow pump, or go to a lower rated membrane.



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  5. What effect does feed pressure have on the tank/faucet pressures

    None. The flow of water to the membrane will increase, but 80 psi pump discharge
    pressure will not change due to the preset by pass pressure.



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  6. The pump that delivers water to the refrigerator is noisy.

    The pressure switch controlled demand delivery pump is probably delivering more
    water than the icemaker can accept (usually about 1/4 gpm at 35 psi), and is momentarily
    reaching its shutoff pressure. Use a lower flow pump, and add an accumulator between
    the pump and refrigerator if necessary.



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  7. What is the useful life of a Procon Pump?

    Procon pumps have an expected life of 10,000 hours of continuous use.



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