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HydroPure™ Dual Deionizer System

The low cost source of battery water delivers twice the amount

HydroPure™ Dual Deionizer System

The system comes with everything you need to make your own pure water right from your own tap: a wall-mounting plate, purity light, hose hanger, quick connects and input and output hoses. Installation takes just minutes — and replacing spent cartridges takes just seconds. 

But instead of one Deionizer cartridge, the dual Deionizer has two cartridges side by side.  When one Deionizer cartridge needs to be replaced simply rotate the selector valve to choose the next cartridge.

Battery water should be free from metallic impurities because they can affect cell voltages and self-discharge. Also to be limited are calcium and magnesium compounds found in hard water because these may cause mossing and dendrite growth through the separators. Note that these impurities are dissolved in the water and cannot be removed by conventional filters.

Our Deionizer system reduces the high price of buying bottled water and is more convenient as well.

How does it work?

Inside the Deionizer, tap water is passed through a cartridge containing beds of cationic and anionic resins which electrostatically remove impurities. The result is very pure water. When the cartridge becomes exhausted simply switch to the next cartridge, replace the spent cartridge when convenient.  

Purity Chart

The following chart can be used to determine the quantity of pure battery water that can be obtained from one cartridge based on the purity of the incoming tap water.

Purity of Tap Water Total Dissolved Solids Cartridge Capacity
  PPM Grains uS/cm U.S. Gallons Liters
Good 50 3 28 1440 5,451
75 4 42 960 3,634

100 6 56 720 2,725
120 7 67 600 2,271
150 9 84 480 1,817

200 12 112 360 1,363
250 15 140 288 1,090

* TDS means Total Dissolved Solids in the water
** Parts per million is equal to mg/litre of water 


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- All the features of the HydroPure Deionizer System but with the additional benefit of a second high capacity Deionizer cartridge in situ.

Input/Operating Pressure: <80 psi (<5.52 bar)

Flow Rate: 0.5 gpm with provided restrictor (1.89 lpm)

System Exposure Temperature: 35° to 160°F (2° to 71°C)

Power Source: For purity light: 2 D-Cell Batteries (included); Battery life estimate: 2 Years

Purity Light Setting: 50 ppm total dissolved solids

Input Hose Size: 3/8 in (1.3 cm)

Input Hose Length: 10 ft (3.0 m)

Output Hose Size: 3/8 in (1.3 cm)

Output Hose Length: 20 ft (6.0 m)

Weight: 27 lb (12.2 kg)

Product Height: 44 in (111.7 cm)

Product Length: 7 in (17.8 cm)

Product Width: 12 in (31 cm)

Capacity: 600 gallons/2270 litres based on incoming water quality

HydroPure™ Dual Deionizer System
How to fix a red flashing purity light on the HydroPure
How the HydroPure Deionzer System works