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Specification guidelines.
Rated Capacity & Service flow rate (gpm)—See rating decal, located on the System
GXSF23Z PNSF31Z
Operating Instructions Safety InstructionsCustomer Service Troubleshooting Tips
Amount of high capacity resin (lbs/cu. ft)
Resin tank nominal size (in., dia. x height)
Water supply maximum hardness (gpg)*
Water supply maximum clear water iron (ppm)*
Water pressure limits (min-max psi)
Water temperature maximum (°F.)
Water supply minimum flow rate (gpm)
31.2/.6
8 x 35
50
3
20–125
120
3
41.6/.8
10 x 35
95
5
20–125
120
3
45-1/4”
36-1/4”
14”
35”
24”
3-3/8”
11-1/2”
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