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. (11⁄2 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 |
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GXSF27E | ||
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Rated Capacity* | 11,100 grains with 2.2 lbs. of salt | |
| 23,700 grains with 7.0 lbs. of salt | |
| 28,200 grains with 11.7 lbs. of salt | |
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Rated Efficiency** | 5,070 grains/lb. @ 2.2 lbs. of salt | |
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Amount of High Capacity Resin (lbs/cu. ft) | 38.0/0.73 | |
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Resin Tank Nominal Size (in., dia. x height) | 8 x 40 | |
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Service Flow Rate (gpm) | 6.5 | |
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Water Supply Maximum Hardness (gpg) | 95 | |
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Water Supply Maximum Clear Water Iron (ppm)*** | 4 | |
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Water Pressure Limits | ||
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Pressure Drop at Rated Service Flow (psig) | 11 | |
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Water Temperature Limits | ||
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Maximum Flow Rate to Drain (gpm) | 2.0 | |
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| 33⁄8″ |
OUTLET | INLET |
19″ 
471⁄2″
411⁄4″ |
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| 16″ | |
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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:
10