
Operational Parameters
Do not use with water that is microbiologically unsafe or of unknown quality, without
adequate disinfection before or after the system.
Operating Temperatures: Maximum 100°F (37.8°C) Minimum 40°F ( 4.4°C)
Operating Pressure: Maximum 100 psi (7.43 g/cm2) Minimum 40 psi (2.80 kg/cm2)
pH Parameters: Maximum 11 Minimum 3
Iron: Maximum 0.2 ppm
TDS (Total Dissolved
< 1000 ppm
Turbidity: <5NTU
Hardness: Recommended hardness not to exceed 7 grains per gallon, or 120ppm. System will
operate with hardness over 7 grains but the membrane life may be shortened. Addition of a water
softener may lengthen the membrane life.
Note: RO unit must be installed a mimimun of 25 feet from hot water heater.
FMRO4-ZW System
System includes:
RO module, 24 volt Pump, 3 gal Storage tank, Long reach
faucet, Manual, Warranty Card, Parts Bags, (2 Water line
fitting valves, 2 Washers,Transformer, 2 Mounting screws, 1
Teflon tape roll, 2 Brass inserts, 2 Plastic sleeves, 1 Ball
valve, one 1/4” Connector)
Tools recommended for installation
7/16”Drill bit for faucet
Channel lock piers
Phillips Screw Driver
1/2" - 5/8" Open End Wrench
Adjustable Wrench
Sharp knife
Electric Drill