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How Much Pressure Can RO Deliver to My Ice-Maker?

The RO’s delivery pressure depends on how full the tank is. The pressure is high when tank is full and drops when tank depletes. See charts below for 4gal tank and 14gal tank.

4-gallon tank’s delivery pressure:

  • 3.0 gallon —> 50 psi output/delivery pressure (pressure inside tank)
  • 2.5 gallon —> 36psi
  • 2.0 gallon —> 24 psi Read more