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Section 3: System Specifications
Design Specifications
Production:
RE-1812-25 – 25 GPD*
RE-1812-50 – 50 GPD*
RE-2012-100 – 100 GPD*
RE-2012-LP – 150 GPD*
Rejection (NaCl):
96-98%
Recovery:
25%
Feed TDS:
200 mg/L NaCl
Feed Pressure:
65 psi
Feed Temperature:
77°F (25°C)
Feed pH:
6.5-7.0
*Actual system production may vary depending on incoming water temperature and chemistry.
Permeate flow rate for each element may vary but will be no more than 15%.
Feed Water Parameters
Temperature:
Max 90°F (37.8°C), Min 40°F (4.4°C)
Pressure:
Max 80 psi, Min 45 psi
Iron:
Max 0.5 ppm
Hardness:
Max 10 gpg, or 170 mg/l
Chlorine:
< 0.1 mg/L.
Total Dissolved
Max 1,000 ppm
Solids (TDS):
Turbidity:
Less than 1.0 NTU
pH:
3.0-11.0 (optimum rejection at 6.5 – 7.0)
Manganese:
Max 0.05 ppm
Hydrogen
0.00
Sulfide:
Bacteria:
Feed water must be potable.
Note: The water pressure in your home should be tested over an extended period to attain an accurate pressure reading. If possible
for water pressure to exceed 85 psi, a pressure regulating device must be used. If the water pressure falls below 45 psi, a booster
pump may be required. A feed water pressure below 45 psi will severely lower the efficiency of your RO System, and may inhibit the
automatic shutoff from properly closing.
Note: The system will operate with hardness over 10 grains, but the RO membrane life may be shortened. The addition of a water
softener will extend the life of the RO membrane.
IMPORTANT: Do not use this system with water that is microbiologically unsafe or of unknown quality without adequate disinfection
before or after the system.
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