GRANDER® Circulation Revitalising Devices

For heating circuits, cooling circuits and industrial process water

The GRANDER® circulation water revitalisers for use in heating and cooling circuits. Process water systems are available as in-line units and double-cylinder submersion Units. These can be installed in homes and apartments, middle-size as well as large industrial plants.  


3/8", 1/2", 3/4", 1", 5/4", 6/4", 2", 2 1/2", 3", 4"

Devices available:

Circulation Revitalisers are available in flow devices and in double cylinder models.

Heating Water Revitalisation:

The GRANDER® effect is clearly visible here:  dirty and often foul-smelling heating water becomes crystal clear in a short time.

Cooling Water Revitalisation (Industry):

Through the implementation of GRANDER® water revitalisation, stabilized process water by consistent optimization of chemical use can be achieved. 

Threaded connector with red brass nipples:

for prevention of contact corrosion.

Choosing the right device for heating area:

For the correct unit selection, the individual situation is important. Individual counseling is done by trained GRANDER® consultant. Circulation revitalisers should not be used in drinking water!

Installation in Heating Area:

The installation should be done, particularly in high temperature systems, in return flow after a possible dirt separator and to guarantee a problem-free system ventilation in a vertical pipe.

GRANDER® water revitalisation devices work with natural energy, without electricity or chemicals and are completely Service and maintenance-free.

Additional Info

  • Field of application: Heating systems, cooling systems and process water
  • Material:

    The parts of GRANDER® Circulation 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® Circulation 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)

    "We are only learners in this world."

Find a GRANDER distribution in your state

You would like to have the best water in your home?

Our water experts are happy to offer a free and non-binding consultation. Contact us for your customized water concept – for the highest quality of water straight from your tap in a sustainable way.