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Rated capacity*
Amount of high capacity resin (lbs/cu. ft)
Resin tank nominal size (in., dia. x height)
Service flow rate (gpm)
Water supply maximum hardness (gpg)
Water supply maximum clear water iron (ppm)**
Water pressure limits (min.-max. psi)
Pressure drop at rated service flow (psig)
Water temperature maximum (°F)
Water supply minimum flow rate (gpm)
Regeneration cycle flow rates (gpm)
Fill (flow to brine tank)
Brining
Brine Rinse
Backwash
Fast Rinse
GXSF27
36.4/.7
8 x 40
100
5
20-125
15
120
3
.3
.19
.12
1.8
1.8
GNSF35
48.4/.93
9 x 40
100
6
20-125
15
120
3
.3
.20
.16
2.0
2.0
GXSF39
52.5/1
9 x 40
100
8
20-125
15
120
3
.3
.20
.16
2.0
2.0
Step-by-step installation instructions.
10
Sanitizing Procedures
To complete the installation, do the following sanitizing procedures.
Care is taken at the factory to keep your water softener clean and sanitary. Materials used to make the softener will not infect or
contaminate your water supply and will not cause bacteria to form or grow. However, during shipping, storage, installing and
operating, bacteria could get into the softener. For this reason, sanitizing as follows is suggested when installing.
NOTE: Sanitizing is recommended by the Water Quality Association for disinfecting.
Be sure to complete all installation steps, including programming the control.
Pour about 3/4 oz. (1
1
⁄2 tablespoons) of common 5.25% household bleach (Clorox, Linco, Bo Peep, White Sail, Eagle, etc.)
into the
brinewell
. Refer to illustration on page 6.
IMPORTANT:
Press and hold for 3 seconds the faceplate
TOUCH/HOLD
button to start an immediate regeneration.
Recharge Now
begins to flash in the display. The bleach is drawn into and through the water softener
.
If after sanitization water from house faucet tastes salty or has a slight color, this is a preservative from the resin tank. Turn on
the cold soft water faucets and drain for a few minutes or until clear.
4
3
2
1
NOTE:
When the above sanitizing regeneration is over, your house
COLD
water supply is fully soft immediately. However, your water
heater is filled with hard water and as hot water is used, it will refill with soft water. When all the hard water is replaced in the water
heater, hot only and mixed hot and cold water will be fully soft. If you want totally soft water immediately, after the above
regeneration, drain the water heater until the water runs cold.
WARNING:
If you do drain the water heater, use extreme care as the hot water could cause burns. Turn the water heater off
prior to draining.
SPECIFICATIONS/DIMENSIONS
These systems conform to WQA S-100 for the specific capacity claims as verified and substantiated by test data.
* Testing was performed using pellet grade sodium chloride as the regenerant salt.
** Extent of iron removal may vary with conditions. Use of Diamond Crystal® Red•Out® or Super Iron Out® will improve iron removal. Refer to
Cleaning Iron Out of
the Water Softening System
section.
}
(flow to drain)
11–1/2″
3–3/8″
OUT
INLET
INLET-OUTLET
48–3/4″
41–1/4″
18–1/4″
40–1/2″
(see rating label on water softener)
(see rating label on water softener)