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)
If any of the items are missing please contact Watts at 1-888-774-7405 prior to installing
Tools Recommended for Installation
ZRO-4 System
3
Operational Parameters
Do not use with water that is microbiologically unsafe or of unknown quality without
adequate disinfection befor
e or after the system.
Operating Temperatures
Maximum 100°F (37.8°C)
Minimum 40°F (4.4°C)
Total Dissolved Solids
TDS < 1000 ppm
Iron
Iron in incoming water: Maximum 0.2 ppm
Hardness
Not to exceed 7 grains per gallon or 120 ppm.
Note: System will operate over 7 grains but membrane life
may be shortened.
Addition of a water softener may lengthen membrane life.
Operating Pressure
Maximum 100psi (7.43 g/cm2)
Minimum 40psi (2.80 kg/cm2)
If water pressure is over 80psi, Watts Pure Water
recommends the installation of a pressure regulator.
pH Parameters
Maximum 11
Minimum 3
Turbidity
Turbidity < 5NTU
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
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