Product Sheet
Made in the USA Meets or Exceeds ALL Compliances.
1Kills 99.9% of Bacteria. UV upgraded systems only.
2These substances may or may not be in your water. Please ensure this is the correct system for your needs.
Please see included instructions for proper installation and usage.
CALL EWS CUSTOMER SERVICE: 7022568182 MONDAYFRIDAY 8 AM4.30 PM PACIFIC TIME
FAX: 702.256.3744 EMAIL: CUSTOMERSERVICE@EWSWATER.COM
WWW.EWSWATER.COM
TECHNICAL INFORMATION
ESSENTIAL FOURSTAGE REVERSE OSMOSIS SYSTEMS
MODEL #: RO4 || MODEL #: RO4UV
SYSTEM SPECIFICATIONS
OPERATION TEMPERATURE: Maximum 100
o
F (38
o
C) / Minimum 40
o
F (4
o
C) OPERATION PRESSURE: Maximum 75 psi / Minimum 40 psi
SYSTEM FLOW RATE: <1.0 gallons per minute (GPM)
Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system. Replace
your filters and UV lamp annually or as needed (do not exceed 1 year). Install in cold water supply only. Install in compliance with local and state
regulations. All installation instructions, service manuals, technical and product information is available online at www.EWSWATER.com
FILTER SPECIFICATIONS
STAGE 1 ITEM #: FPRESED | PRESEDIMENT 5 MICRON
Filters out rust, silt, and sediment. Enhances the performance of the following filters.
CONSTRUCTION: 100% pure polypropylene fibers. No fillers or binders. Meets FDA requirements for all food and beverage contact.
SERVICE LIFE: 1 year‡ MAX. FLOW: <1.0 GPM / 3.4 LPM MAX. PRESSURE: 75 PSIG / 5.17 Bar TEMP. RANGE: 40100
o
F / 4-38
o
C
STAGE 2 ITEM #: FGAC | PREFILTER ADVANCED CARBON
Protects membrane, filters chlorine, chloramine, and VOCs for clear, clean water. Reduces and/or eliminates bad tastes and odors. Increased
surface area, almost no fines release, enhanced adsorption, excellent performance.
CONSTRUCTION: Advanced carbon.
SERVICE LIFE: 1 year‡ MAX. FLOW: <1.0 GPM / 3.4 LPM MAX. PRESSURE: 75 PSIG / 5.17 Bar TEMP. RANGE: 40100
o
F / 4-38
o
C
STAGE 3 ITEM #: FMEM | ADVANCED RO MEMBRANE
Protection from inorganics, chloride, nitrates, nitrites, heavy metals, and more. Removes minerals and fluoride to suit your preferences. “Strips”
water for full protection and as a precaution against fluoride allergies.
CONSTRUCTION: Polyamide thin-film composite.
SERVICE LIFE: 1 year‡ PERMEATE FLOW: 50 GPD / 189 LPD MAX. PRESSURE: 75 PSIG / 5.17 Bar TEMP. RANGE: 40100
o
F / 4-38
o
C
STAGE 4 ITEM #: FGACB | POSTFILTER CARBON BLOCK 1 MICRON
Advanced final stage filter for chlorine, chloramine (chlorine and ammonia compound), lead, cysts, VOCs, and more. Increased surface area,
enhanced adsorption, excellent performance in a carbon block form.
CONSTRUCTION: Activated carbon block.
SERVICE LIFE: 1 year‡ MAX. FLOW: <1.0 GPM / 3.4 LPM MAX. PRESSURE: 75 PSIG / 5.17 Bar TEMP. RANGE: 40100
o
F / 4-38
o
C
ITEM #: FLAMP | ULTRAVIOLET UV DISINFECTION** OPTIONAL.** INCLUDED WITH MODEL #: RO3UV
Kills bacteria, viruses, and other microorganisms. Independently tested to reduce E. coli by 99.99992% and
micrococcus luteus by 99.93%.
CONSTRUCTION: UV lamp encased in glass and 316 bonded stainless steel interior housing.
SERVICE LIFE: 1 year
‡
MAX. FLOW: <1.0 GPM / 3.4 LPM
MAX. PRESSURE: 75 PSIG / 5.17 Bar TEMP. RANGE: 40100
o
F / 4-38
o
C
SYSTEM SIZE:
5” deep x 16” tall x 16” wide (allow 4” clearance at the bottom of the unit for filter replacement maintenance)
WATER STORAGE TANK SIZE: 11” X 11” X 16” (3.2 gallon capacity – other sizes available)
SHIPPING CARTON SIZE: 12” x 12” x 30” SHIPPING CARTON WEIGHT: 20 lbs.
1
UV upgraded systems only.
2
These substances may or may not be in your water. Please ensure this is the correct system
for your needs. Please see included instructions for proper installation and usage.
‡Filter service life is based on local water conditions and usage.
**UV is included with model# RO4-UV. A UV upgrade can be added at any time to any RO.
MODEL # REPLACEMENT FILTER SET #
Independently lab-tested to
meet or exceed NSF/ANSI
Standard 42, 53 & 58 for
reduction of chlorine, taste,
odor, lead, and cysts.
The ESSENTIAL comes fully assembled and complete with everything
you need for a proper installation: chrome faucet dispenser (finish options
available), air gap, drain adaptor, angle stop valve connection, all tubing (5 ft.
each), mounting bracket, water storage tank, and all filters.
SERVICE LIFE ON FILTERS/MEMBRANE:
UP TO 1 YEAR.* REPLACE FILTERS &
MEMBRANE ANNUALLY OR AS NEEDED.
DO NOT EXCEED 1 YEAR.
RO4 F.SET.RO4 (INCLUDES: F-PRESED, F-GAC, F-MEM, F-GAC-B)
RO4-UV F.SET.RO4-UV (INCLUDES: F-PRESED, F-GAC, F-MEM, F-GAC-B, F-LAMP)
Our ESSENTIAL Drinking
Water Systems (pictured
at right) are available to
suit the most common
water conditions and
personal preferences
without the drawbacks of
RO sysrems. Contact EWS
Customer Service for more
information.
Fully Compliant with
California No-Lead Standards.