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ABOUT THE FILTER CARTRIDGE
Filter Cartridge Replacement
You should change your filter when the water flow is noticeably reduced or at least every 3 months.
Replacement Filter Cartridges
Several variables determine how long the cartridge will last
in your Household Water Filtration System. These include:
levels of sediment or other undesirable substances in
your water.
the amount of water you use.
the filter location (filtering all or part of your household
water).
1
Turn off water to filter. For model GXWH04F, water
must be shut off from an upstream valve. For model
GXWH20S, rotate control handle to the BYPASS or OFF
position. (See Control Handle.)
2
Press the red pressure-release button to release
pressure.
3
Unscrew the filter canister and discard used filter.
Wash the filter canister with mild soap and water.
Do not use harsh cleaners or hot water.
4
Inspect the filter canister O-ring. Make sure it is lightly
lubricated with clean food-grade silicone grease
(silicone grease is available through GE Parts and
Service: 1.800.626.2002, part number WS60S10005).
Be sure the O-ring is seated in the groove. It is
recommended that you replace the O-ring if it is
damaged.
5
Place a new filter cartridge into the filter housing,
making sure it is centered and completely seated on
the bottom seal.
6
Reinstall the filter canister to the unit. Tighten filter
canister to seal. Use canister wrench if necessary.
7
Slowly rotate control handle to the FILTER position
(model GXWH20S) or slowly turn on the upstream
shut-off valve (model GXWH04F).
8
Press the red pressure-release button to remove
trapped air.
9
For initial system installation, open any downstream
faucet and allow filter system to flush for 30 minutes
(120 gallons) (model GXWH20S) or 15 minutes (60
gallons) (model GXWH04F).
For filter replacement, see chart above for individual
filter flush times.
Turn canister wrench
clockwise to remove
Housing
canister
Control
handle
Filter
cartridge
O-ring seal
Timer
Head
Timer
Filter
cartridge
O-ring seal
Housing canister
Head
GXWH04F
GXWH20S
Red pressure-
release
button
Red pressure-
release button
Housing
canister
Control Handle (GXWH20S Model Only)
OFF
Shuts off water.
FILTER
For filtered water. Directs water flow
through filter.
BYPASS
Permits flow of water to the house without flowing
through the filter. Use this position for filter changes
or if filtered water is not desired.
2
Rated Service Flow: 4 gpm
Minimum–Maximum Supply Water Pressure: 20–125 psi
(2.1-6.9 bar)
Minimum–Maximum Supply Water Temperature: 40–100°F
(4.4–37.7°F)
Rated Service Flow: 4 gpm
Performance Data Sheet
GXWH20S system using FXUSC (Rev. 2) filter has been tested according to
NSF/ANSI 42 for reduction of the substances listed below. The concentration
of the indicated substances in water entering the system
was reduced to a concentration less than or equal to the permissible limit
for water leaving the system, as specified in NSF/ANSI 42. While testing was
performed under standard laboratory conditions, actual performance may
vary.
SUBSTANCE
INFLUENT CHALLENGE
CONCENTRATION
REDUCTION
REQUIREMENT
Particulate, Class V particles 30 to <50 At least 1,000 particles/mL > +85%
GE MODEL REDUCES LIFE FLUSH TIME CONSTRUCTION
FXUSC (Rev.2) Sediment 3 month/16,000
gallons*
30 minutes
(120 gallons)
Polypropylene
Fiber
FXWPC Sediment* 3 month/16,000
gallons*
15 minutes
(60 gallons)
Pleated
FXWTC (Rev.2) Sediment*,
Chlorine, Taste and
Odor
3 month/700
gallons
5 minutes
(20 gallons)
Carbon Paper
FXWSC Sediment* 3 months/ 16,000
gallons*
15 minutes
(60 gallons)
String Wound
* Claims not substantiated by NSF. Based on manufacturer’s testing only.
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