ecr 3502 premium water softener

ECR 3502 Water Softener

The premiere water conditioner and softener with the added benefit of flow control and automatic regeneration via a patented Electronics Digital Demand Module.

Comes with the brine tank, system tank, and remote controller.


Scroll Down to see the Exclusive Features of the ECR 3502


HydroLink® and HydroLinkPlus® Remote Monitor

Patented two-way remote monitoring or Wi-Fi enabled technology and smartphone app.


Patented Electronics Digital Demand Module

Sophisticated, yet easy-to-use electronics capture historical usage patterns to predict future needs for precise regenerations.

ecr 3502 resin tank

Multi-Wrap Fiberglass Reinforced Resin Tank

Durable tank liner will not deteriorate, rust, or corrode.


Full One-Inch Riser & Patented Stratified Resin Bed

One-inch diameter for increased flow rates, which ensures that household demand is adequately met.  Layered mix of fine and standard size resin provides superior filtration and iron removal without sacrificing flow rate capability.


Positive Stratified Resin Bed

Snap-together construction eliminates use of solvents that may contaminate water. Positive action helps prevent overfilling.


Self-Cleaning Distributors & Washed Quartz Underbedding

Distributors exhibit excellent flow rates and are cleaned automatically by counter-current water pressure.  Underbedding helps provide a cleaner, more thorough regeneration of the resin

ECR 3502 Dimensions

3502 water softener dimensions

ECR 3502 Specifications

Efficiency (gr./lb. @ salt dose) 5,160 @ 1.6
Hardness Capacity (gr. @ max. lb. salt dose) 30,200 @ 11.3
Certified Flow Rate (gpm @ psi) 11 @ 8
Intermittent Flow Rate (gpm @ psi)1  16.5 @ 15
Intermittent Flow Rate (gpm @ psi)1 25.8 @ 30
Stratified Resin Bed (lbs.) 47
Quartz Gravel Base (lbs.) 10
Maximum Water Hardness (gpg) 60
Maximum Clear Water Iron (ppm-Fe)2 12
Approximate Water Used Each Regeneration (gal.)3 38
Salt Storage Capacity (lbs.) 300
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) 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 conditioner’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 conditioners 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.

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