Pentair MPRF RO on Demand Reverse Osmosis System



State of the art reverse osmosis purification system designed by Pentair.
The new Pentair PRF-RO System features continuous-flow water production so a storage tank is no longer required. RO water on demand!
Pentair Water has achieved a revolutionary breakthrough in the water treatment industry. Out-of-the-box thinking and years of research have produced a totally new point-of-use drinking water system.

Pentair PRF-RO System Features:

  • Continuous flow – no storage tank necessary
  • Water supply to the system must be above 40 psi (inlet pressure gauge included)
  • 2 Lpm permeate pure water rate @ 65 psi as a guide
  • Requires no pump or electricity
  • Compact design – fits easily under sink. Can stand up or laid on side
  • Consistent TDS rejection and membrane efficiency
  • High recovery system as the waste water from the first membrane is channeled to the second membrane to reduce waste water
  • The system can supply multiple dispensing locations, eg a sink tap and a fridge
  • High durability Noryl and polypropylene construction provide years of dependable service
  • Engineered for the fewest number of connection points – less chance of leaks
  • System’s support leg also serves as a handy sump wrench
  • This system requires a continuous, minimum 40-50 psi of pressure to operate properly!
  • System Type Tank less
  • No more Storage tanks required. (a tank can be added or use your own storage tank for holding larger volumes)
  • Made in USA
  • Connection Type Quick Connect Fittings

Average Service Life of Filters:

  • Carbon Prefilter – 6 – 12 months or 37850 litres. Part No: 3038333 
  • Pentair RO TLC 350 Membrane (x2)  2 to 4 Years. Part No: 4000569
  • Carbon Postfilter – 6-12 months Part No: CL10 RO T40 3/8″ JG (255526-09) May not be required depending on application)

Filter Quick Change Cartridges:

  • Carbon Pre filter 5 micron Part No: 3038333 
  • Carbon Post Filter Granular Activated Carbon Part No: CL10 RO T40 3/8″ JG
  • Membrane Thin Film composite Part No: 4000569
Product Tap Options:
  • Standard faucet tap
  • Air gap faucet tap
  • No Tap
System connections (installation booklet included)
  • Water supply Inlet 1/2″ bsp female
  • Product water outlet 3/8″ tubing with 1/2″ bsp female ( 7/16 UNS tap adaptor supplied with Tap options) 
  • Drain waste pipe clamp to suit 3/8″ tubing
  • Tubing lengths supplied are 2 metres per connection
  • Red tubing is only used in junction with air gap tap 
System Dimensions
  • Height 430mm
  • Width 510mm
  • Depth 240mm
  • Certifications NSF/ANSI 58

RO Minimum and Maximum Operating Conditions

  • Inlet Pressure 40 psi (2.76 bar) 80 psi (5.52 bar)
  • Inlet Temperature 40°F (4.44°C) 100°F (37.78°C)
  • Inlet TDS 50 mg/L 2,000 mg/L
  • Inlet Hardness 0 mg/L (0 grain) 171 mg/L (10 grain)
  • Inlet Chlorine 0 mg/L 1.0 mg/L
  • Inlet Iron 0 mg/L 0.1 mg/L
  • Inlet Manganese 0 mg/L 0.05 mg/L
  • Inlet pH 4 to 10 pH
  • Inlet Turbidity 0 1 NTU
It is recommended to have a separate sediment filter before the RO system if you have dirt or sediment in your water supply to prolong the service life of the RO filters and membrane.
Illustrated pictures and diagrams may vary to those shown depending on the options selected.


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