Delta-p® – user-friendly triple water softener

The triple water softener Delta-p® constantly supplies soft water in buildings. It operates according to the principle of ion exchange and sets new standards with its low pressure loss and extremely economic level of resource consumption. This is made possible in part thanks to a patented control valve. The electronically controlled blending sets the desired residual hardness. The Delta-p® is available in the sizes 1", 1¼", 1½" and 2" , either as a drinking water or industrial version. In addition to the standard brine tanks with a regeneration salt capacity of max. 75 or 200 kg, larger brine tanks are also available. The connection to the drinking water installation is user-friendly, all connection hoses have certification to KTW category A and W 270.

  • Plug-and-play assembly
  • Electronically controlled blending
  • Fresh water guarantee
  • Patented control valve
  • Particularly low operating costs
  • DVGW-certified

Installation requirements

Please note local installation directives, general guidelines and technical specifications. A fine filter must always be installed upstream of the system. The systems must be protected in accordance with DIN 1988, part 4 (e.g. system separator). The installation site must be frost-proof and the filter protected against chemicals, dyes, solvents and vapours. The ambient temperature as well as the radiation temperature next to the system must not exceed 40 °C.

Scope of supply

Water softener Delta-p® complete with 

  • Water test kit “Total hardness”


  • Connection set for water installation
  • Salt supply pre-alarm, records minimum salt fill level  
  • Parallel piping Delta-p®, required connection pieces incl. connection sets
  • Disinfection set
  • Complete M-Bus measuring transducer D-DAM to transmit the flow rate and meter reading
  • protectliQ

For further information on installation requirements and accessories, as well as technical details, see the product data sheet, which is available to download.