12
SPECIFICATIONS
WaterTech recommends the use of Potassium Chloride (KCl) as a regenerant salt.
Model
†
*
1
Softening Efficiency @
Stated Salt Setting
(Grains Per Pound)
RXU13
3998 @ 4.7 lbs.
45
2
Softening Capacity @
Stated Salt Setting (Grains
Per Gallon)
Max. Recommended
Hardness
(Grains Per Gallon)
Tank Sizes
18,901 @ 4.7 lbs.
13” X 54”
* The efficiency is only valid at the stated salt dosage and maximum service flow.
1
Softening efficiency values based on NaCl as the regenerant salt.
2
Softening capacity values based on NaCl as the regenerant salt.
Model† Max. Recommended Flow
Rate / Service Flow Rate
(Gallons per minute)
RXU13
11.0
9
Max. Flow to Drain During
Regeneration
(Gallons per minute)
@PSID
Total Bed
Depth
(FT3)
7.5
2.350
Efficiency rated softeners shall have a rated salt efficiency of not less than 3350 grains of total
hardness exchange per pound of salt, and shall not deliver more than its listed rating.
MIN/MAX WORKING PRESSURE: 20-150 psi or 138-861 kPa
MIN/MAX OPERATING TEMPERATURE: 40°F-110°F or 4.4-43.3º C
MAX FLOW TO DRAIN DURING REGENERATION: 7.5 gpm or 28.4 l/min
INPUT VOLTAGE: 110-120VAC @ 60Hz
OPERATING VOLTAGE: 12VAC @ 60Hz