Max. Compensated Hardness	35 Grains Per Gallon (gpg)	70 Grains Per Gallon (gpg)	90 Grains Per Gallon (gpg)
Salt or Salt Substitute Used Per Regeneration	2.5 lbs.	2.5 lbs.	3 lbs.
Length of Regeneration	19 Minutes	19 Minutes	21 Minutes
Water Used Per Regeneration	15 Gallons	14 Gallons	15 Gallons
Plumbing Connections	1" NPT	1" NPT	1" NPT
	*3/4" adapters provided for all models
Salt Storage Capacity	170 lbs.	120 lbs.	170 lbs.
Max. Water Temperature	120 Degrees Fahrenheit	120 Degrees Fahrenheit	120 Degrees Fahrenheit
Water Pressure (Min./Max. PSI)	20-120 PSI	20-120 PSI	20-120 PSI
Footprint(WxD)	14 3/4" x 18 3/4"	14 3/4" x 18 3/4"	14 3/4" x 18 3/4"
Height	30 3/4"	25 3/4"	30 3/4"