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KYK Harmony 9040
Water Ionizer

Replacement Cartridge Filter and Citric Acid Cleaning Cartridge

alkaline ionized water from the KYK Genesis Water Ionizer

Replacement Filter


Cleaning Cartridge




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Order Now


This model has been discontinued, but we still carry the replacement cartridge filters

Replacement Filters | Cleaning Cartridge | Alkaline Water Ionizers

 KYK Harmony Water Ionizer Features:

  • The KYK Harmony creates water that is scientifically enhanced to match the activated hydrogen and alkaline chemical structure of the world-famous water of Lourdes, France.

  • The KYK Harmony filter removes 99.99% of pollutants from your drinking water, making it the safest and tastiest available.

  • The electrodes are the most important component to ionization and the KYK Harmony's electrode plates are about twice the size of other water ionizers.

  • The KYK Harmony is the first ionizer to use the advanced SMPS Electrical System. This is the coolest running electrical system on the US market that will reduce noise, energy consumption, heat related stress, and will expand the average lifespan of the KYK Harmony to an estimated 30 years. You can also run your KYK Harmony for 40 minutes at a time.

  • The KYK Harmony is approved by the KFDA and the Japanese Health Ministry as a medical device. It is listed by the FDA as a medical device, manufactured in an ISO certified factory and has all the necessary credentials like UL listed, KGMP and KETI certification for excellence in medical products, HC international environment certification, KTL approval for industrial technology, and many more. Just ask

  • The KYK Harmony can create an ORP between 400 and -600 in ideal conditions and the preset levels are designed to create the optimal pH and ORP for your body. The ORP and pH are adjustable to as many as 64 levels.

  • The smaller water clusters aid in the enzymatic breakdown of food and makes it easier for the body to digest food and absorb the nutrients. KYK Harmony water will help body absorb 30% more nutrients than tap water.

  • At just under two cents a liter, the KYK Harmony will save you money over bottled water and even other water ionizers with shorter lifespans, making it the best value for premium drinking water.

  • The KYK Harmony has an available undersink kit with a beautiful brushed chrome faucet.  

  • The KYK Harmony has a built in mineral port.  The KYK Harmony has won some international product awards. 

KYK Harmony Distinguishing Features

The KYK Harmony Water Ionizer uses five platinized-titanium plates that are double the average size of most other water ionizer's plates (20cm by 7cm) and also thicker. Pictured left, the top plate is the average water ionizer plate size, the bottom is the KYK Harmony plate.

The KYK Harmony measures water intake by actual liters produced instead of using a filter timer like most other water ionizers.  Thus, the KYK Harmony will accurately tell you when to change your filter.

Advanced filtration is essential to premium ionized water. The KYK Harmony has one filter that uses seven levels of filtration including high quality activated carbon, calcium, antifungal felt,and more.

Most water ionizers use a transformer to supply a direct electrical current to the plates, which inevitably lead to overheating and shortened lifespan.  Just as the human body becomes ill from too much heat or stress, over time a water ionizer will break down from exposure to heat.  The KYK Harmony solves this problem because it is equipped with the SMPS system that does not use a transformer. Thus it reduces not only heat but noise, weight, and loss of power from using a transformer.

The KYK Harmony comes with a built in pH sensor that measures the pH of your water so that the SMPS electrical system can adjust its ionization to it, creating more consistent water.  It even displays the corresponding color on the screen.

Press the function button, and the KYK Harmony will accurately tell you the ORP of your water and also display the color on the screen.

One of the disadvantages of using an ionization-based water device is that it produces water of uneven density and quality, depending on the amount and quality of the water flowing in, which eventually may harm the body.  The KYK Harmony solves this problem by using thicker and larger electrode sheets that automatically control the electrical voltage and current to match the mineral content of the input water, thus producing consistent alkaline water of premium quality.

KYK Harmony Specifications

Manufacturing Company: KYK Co. Ltd.
Name of Model: KYK 9040
Mfg/Product Approval Code:  2213
Water supply type:  Direct connection to tap water
Warranty: 5 years parts and labor.
Standard voltage: 110V, 50-60Hz, 220V also available
Electrical consumption: 200W
Size: 250(W) x 340 (H) x 145 (D) (mm)
Weight: 3 kg
Installation Position: Countertop and wall mounted
Water Supply Type: Faucet diverter connection
pH Range:  Approximately 2.5 - 12 pH (4-10 pH preset) This is not a super acid machine and water produced also depends on water quality.
Controlling Method: Buttons
Temperature Range:  35C
Available Water Pressure: 0.7 -- 3kg/cm2
Electrolysis Method: continuous electrolysis with a flow sensor.
LCD Screen: Show text messages, ph levels, state of water flow, number of liters used, and ORP.
Handling Capacity: 2L of alkaline water/minute. 1.5L of acidic water/minute
Electrolysis Ability: 4 levels of Alkaline water, 4 levels of acidic water, filtered only water
Electrolysis Cell: 5 sheets of Platinum coated titanium.
Electrode Sheet Wash: Automatic washing controlled by MyCom.
Filter Life: Can handle about 7000L for more or less than nine months (may differ region to region, nation to nation).
Filtering Material (Made in Korea): Active carbon (with silver added) that removes residual sodium, fungal smell, organic chemicals, and noxious odor (CaSO3)
Message to indicate Filter Change: Displays on LCD screen when the filter life indicator reaches 7000 liters. Even if the taste and smell of water is not normal, you should change the filter anyway.
Over-Current Detector: Automatically stops the output of electrolytic cells once over current is detected.
Calcium addition: adding calcium for forced dissolution.
Over Temperature Protector: the temperature detector circuit installed inside the SMPS automatically stops the device once a temperature abnormality is detected.
Power Source Protector: Glas Tube Fuse
Return Policy: 60 Day Money Back on this model

KYK Harmony Water Ionizer 9040

alkaline ionized water from the KYK Genesis Water Ionizer

(Model 9040)

This filter could also be used for the AQ/EC/SP Water Ionizers and is also known as a "Filter K".

International Shipping Information

KYK Harmony Filter


KYK Harmony Citric Acid Cleaning Cartridge

KYK Harmony Citric Acid Cleaning Cartridge




KYK Harmony Faucet Diverter

KYK Harmony Faucet Diverter



Replacement Filters | Cleaning Cartridge | Alkaline Water Ionizers

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Get Informed:
  Alkaline Water Benefits
  Kangen Water Facts

  Articles & Quotes From:
  Dr. Hidemitsu Hayashi MD.
  Sang Whang
  Dr. Theodore A. Baroody

  Dr. David S. Dyer
  Alkaline Water Experts
  Books: Books: Books: Books: Books: Books:

  Reverse Aging
  Ionizer Maintenance:

  Maintenance Tips
Uses for Alkaline and Acidic Water

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