The ESD 518 Water Softener and Conditioner
The ESD518 is the cost-efficient way to fully condition and treat the water directly from your water supply.
This softener has been tested and certified by NSF International against NSF/ANSI Standard 44 for the reduction of Barium and Radium 226/228, hardness reduction and efficiency and NSF/ ANSI 372 for low lead content.
Scroll down to examine the exclusive features of the ESD 518 water softener.
Patented Electronics Digital Demand Module
Sophisticated, yet easy-to-use electronics capture historical usage patterns to predict future needs for precise regenerations.
Permanent program memory with capacitor-backed time retention. Maintains time for at least 6 hours in case of power loss.
Multi-Wrap Fiberglass Reinforced Resin Tank
Durable tank liner will not deteriorate, rust, or corrode.
Distributors exhibit excellent flow rates and are cleaned automatically by counter-current water pressure.
Positive-Action Brine Valve
Snap-together construction eliminates use of solvents that may contaminate water. Positive action helps prevent overfilling.
|Efficiency (gr./lb. @ min.lb. salt dose)||5,030 @ 2.0|
|Hardness Capacity (gr. @ max. lb. salt dose)||25,600 @ 10.7|
|Certified Flow Rate (gpm @ psi)||5 @ 7.7|
|Intermittent Flow Rate (gpm @ psi)1||7.5 @ 15|
|Intermittent Flow Rate (gpm @ psi)1||11.3 @ 30|
|Amount of Resin (cu. ft.)||0.67|
|Maximum Water Hardness (gpg @ 500 gpd water usage)||50|
|Maximum Clear Water Iron (ppm-Fe)2||3|
|Approximate Water Used Each Regeneration (gal.)3||29|
|Salt Storage Capacity (lbs.)||225|
|Supply Water Pressure Limits (psi)4||20 - 125|
|Supply Water Temperature Limits (oF)||40 - 120|
|Ambient Temperature Range (oF)||35 - 150|
|Plumbing Connection Provided (inches)||3/4 and 1|
|Electrical Requirement, 120V, 50/60Hz, (28V DC, 350mA, power supply included)|
1 Intermittent flow rate does not represent the maximum service flow rate used for determining the softener’s rated capacity and efficiency. Continuous operation at flow rates greater than the certified flow rate may affect capacity and efficiency performance. The validity of these flow rates is verified by NSF.
2 Increased amounts of clear water iron can reduce softener’s efficiency. Refer to owner’s manual for details. Wisconsin requires additional treatment if water supply contains greater than 5 ppm clear water iron.
3 When operated at 35 psi water pressure.
4 Maximum pressure for Canadian use is 7.0 Kg/cm2.
Automatic Bypass During Regeneration Means Continuous Water Usage. Energy Efficient Power Supply Simplifies installation, maintenance and reduces electrical hazards.
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