GRANDER® Water Revitalising Devices for the central water supply

For installation in the central water supply in drinking water area

GRANDER® water revitalisation devices are available for installation in the main water supply of houses, medium-sized and large buildings as well as industrial plants.

When selecting the right device, one has to consider not only the pipe dimension and peak usage times, but also the stress factor and the installation situation on site.  The trained and competent GRANDER® adviser supports and advises customers on the proper choice of the device size.

Dimensions - central water supply:

3/4", 1", 5/4", 6/4", 2", 2 1/2", 3", 4"

Dimensions - individual unit:
3/8", 1/2", 3/4"

Thread connection with red brass double nipple:

For prevention of contact corrosion

Installation Position:

The GRANDER® water revitalisation devices can be installed in every possible position in the drinking water area.

Lasting Effect:

The revitalisation effect of the GRANDER® water revitalisation devices is maintained over several years of usage.  The effects have been reported by satisfied users for more than 20 years.

Range of Effectiveness:

The effect remains contact by irregular use, longer downtimes, large spaced pipe systems, circulations, etc.

The hygienic and technical harmlessness for the use of the original GRANDER® water revitalisation devices in drinking water is confirmed through an expert review (University of Graz, TUEV Vienna and SVGW).

GRANDER® water revitalisation devices work with natural energy, without electricity and additives and are service-free as well as maintenance-free.



Additional Info

  • Field of application: drinking water use
  • Material:

    The parts of GRANDER® Inline Units that come into contact with drinking water are made exclusively of steel types according to table 1 of the German standardization body for the gas and water industry DVGW’s worksheet GW 541. GRANDER® Inline Units comply with the sanitary requirements stipulated in the evaluation criteria for metallic materials in contact with drinking water of the German Environment Agency and thus also the requirements stipulated in art. 17 section 2 item 1 of the German Drinking Water Ordinance.

  • Guarantee / Warranty:

    2 years warranty on device installation done by an authorized installation company

  • Return policy: 3 month return policy for a full refund of purchase price
  • Johann Grander Sen.

    (1930 - 2012)

    "I didn't discover water revitalisation, rather I was allowed to find it."


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