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In-Home Water & Air Purification. Over 10,000 systems sold!
Financing available and lifetime warranties on select products.

EC4 Water Conditioning System

Many RainSoft water conditioning systems incorporate our proprietary EC4 technology. This smart control water softening system actually learns how your family uses water, saving you money in water consumption and salt usage.

Both of our premium series of water conditioners are available in many designs with various features that support and meet any consumer needs. Each design series is built to last a lifetime, and carries the RainSoft limited lifetime warranty.

The EC4 water conditioning systems are computer controlled and come equipped with a smart-feature microprocessor controller that is able to process thousands of computations per second.

TC Series water conditioner systems soften, condition and filter out the main components that make up hard water. These water softeners are also powered by an energy saving, low-voltage electrical system.

Benefits of EC4 Series Water Conditioners:

Function
Softens, conditions and filters your water to remove calcium and magnesium – the two primary components of hard water.

Performance
The EC4 control valve is self-cleaning for maximum performance and long life. High flow rates assure a consistent, plentiful supply of conditioned water without worry of losing pressure. Powerful, self-lubricating 75-inch-per-pound drive motor.

Economy
Powered by an energy-efficient, low-voltage 24-volt electrical system.

Fail-Safe Features
Exclusive brine valve float system reduces chance of overflow; automatic bypass during regeneration means you always have water; fail-safe tank-within-a-tank construction. A built-in battery back-up system maintains critical program data in the event of a power outage.

Reliability
Carries RainSoft’s limited lifetime warranty for the treatment tank, value, and electrical parts–the finest and most comprehensive warranty in the industry!

How a EC4 Water Conditioning System Works:

Step 1
Down-flow Conditioning:
Untreated water flows through the filter media where hardness-causing minerals are removed.

Step 2
Up-flow Backwash:
The conditioning resin bed is “fluffed” to separate solids from the media.

Step 3
Down-flow Brining:
The system injects the exact amount of brine (salt water) made from filtered water needed for full-strength regeneration of the system.

Step 4
Slow Down-flow Brine Rinse:
Slow rinsing of the brine through the filter media provides a deep rinsing action to make sure all traces of salt are removed from the media bed.

Step 5
Fast Down-flow Rinse:
Fast down-flow rinse repacks the media, assuring maximum resin efficiency while removing any salt residue and any remaining traces of rust and iron.

Step 6
Treated Brine Makeup Refill:
TA precise, preset quantity of filtered water is used to make a clean brine solution for regeneration; other brands use raw, unconditioned water to clean the media bed.

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