Double chamber water softener


  • Quality ion exchangers reduce the water hardness by substituting calcium and magnesium ions contained in the water with sodium ions
  • The water filter system consists of a corrosion-proof pressure vessel containing the filter material
  • Depending on the water pressure on-site, filtration reduces the pressure to downstream machines by a minimum of 0.5 bar
  • Vessel made of plastic


  • Protects machine against limescale - extends maintenance intervals and service life
  • Optimises the effectiveness of detergents
  • The system is automatically regenerated while in normal operation - supplying soft water 24 hours a day
  • No disruption for regeneration thanks to double-chamber system
  • Operates with cold or warm water up to 65°C
  • Compact dimensions, including rollers for flexible installation
  • Does not require electrical supply


The water treatment system must be connected to the drinking water supply system by means of a backflow preventer conforming to DIN EN 1717 (see „Accessories“).
Depending on local water quality, it might be advisable to install an upstream fine filter.
Installation might require additional armoured hoses (see „Accessories“).
An overflow hose for the tank can be installed on-site.


Water softener hydroline protect
Order no. SD-H
High performance double cartridge softener

Technical data

Weight (gross / net) 21 / 19 kg
Maximum hardness 40 °dH
Capacity salt container 20 kg
Salt consumption per regeneration 0.5 kg
Supply capacity continuously / maximum 2 - 20 l/min / 20 l/min

Accessories for this product

Hose for external softener
Order no. IS1
Hose, 1,500 mm, 3/4", DN15, reinforced with stainless steel for basic installation
Comprehensive installation kit
Order no. IS2
Comprehensive Installation Kit for machine connection, including • hose 3/4“, 1.500 mm • cut-off valve • manometer • non-return valve
Order no. IS3
Bypass additional to IS2 for regulation of water hardness of outcoming water • hose 3/4“, 1,500 mm • regulation valve
Non-return valve for fresh-water connection
Order no. IS4
Non-return valve for fresh-water connection class HD according DIN EN 1717

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