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These systems conform to NSF/ANSI 44 for the specific capacity claims as verified and substantiated by test data.
* Testing was performed using pellet grade sodium chloride as the regenerant salt.
** Efficiency rating is valid only at the lowest stated salt dosage. These softeners were efficiency rated according to
NSF/ANSI 44.
*** Extent of iron removal may vary with conditions. The capacity to reduce clear water iron is substantiated by
WQA test data. State of Wisconsin requires additional treatment if water supply contains greater than 5 ppm
clear water iron. 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.
**** Canada working pressure limits: 1.4–7.0 kg/cm
2
.
3
3
⁄8″
OUTLET
INLET
INLET–OUTLET
47
1
⁄2″
41
1
⁄4″
16″
Step-by-step installation instructions.
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.
1. Be sure to complete all installation steps,
including programming the control.
2. Pour about 3/4 oz. (1
1
⁄2 tablespoons) of
common 5.25% unscented household bleach
(Clorox, Linco, Bo Peep, White Sail, Eagle,
etc.) into the brinewell. Refer to illustration
on page 5.
3. IMPORTANT: Press and hold for 3 seconds
the faceplate RECHARGE button to start
an immediate recharge. RECHARGE begins to
flash in the display. The bleach will be drawn
through the water softener and out the drain.
This process takes approximately 2 hours.
4. If, after sanitization, water from the 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.
NOTE: When the sanitizing recharge is over,
all remaining bleach is flushed from the
conditioner and 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 recharge, 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
19″
GXSF35E GXSF39E
Rated Capacity* 14,000 grains with 15,300 grains with
2.8 lbs. of salt 3.0 lbs. of salt
29,600 grains with 32,800 grains with
8.8 lbs. of salt 9.6 lbs. of salt
35,200 grains with 39,100 grains with
14.7 lbs. of salt 16.1 lbs. of salt
Rated Efficiency** 5,000 grains/lb. 5,100 grains/lb.
@ 2.8 lbs. of salt @ 3.0 lbs. of salt
Amount of High Capacity Resin (lbs/cu. ft) 47.8/0.92 52.5/1.01
Resin Tank Nominal Size (in., dia. x height) 9 x 40 9 x 40
Service Flow Rate (gpm) 8.5 8.0
Water Supply Maximum Hardness (gpg) 100 110
Water Supply Maximum Clear Water Iron (ppm)*** 6 8
Water Pressure Limits (min.–max. psi)**** 20–125 20–125
Pressure Drop at Rated Service Flow (psig) 15 15
Water Temperature Limits (min.–max. °F) 40–120 40–120
Maximum Flow Rate to Drain (gpm) 2.0 2.0
12