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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:
Operating Pressure:
pH Parameters:
Iron:
TDS (Total Dissolved Solids): < 1000 ppm
Turbidity:
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.
ZRO-4 System
If any of the items are missing please contact Watts at 1-888-752-5582
Tools recommended for installation
Maximum 100°F (37.8°C)
Maximum 100 psi (7.43 g/cm2) Minimum
Maximum
11
Maximum 0.2 ppm
<5NTU
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)
prior to installing
3
Minimum 40°F ( 4.4°C)
Minimum
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
40 psi (2.80 kg/cm2)
3
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