• Low impact

    Products for water providers that meet future lead-free environmental standards today


  • Advanced Metering

    Our electronic meters are selected by utilities for their long term accuracy, durability and quality to meet the challenges of tomorrow


  • Smart

    Our Smart metering solutions help customers to improve revenue, reduce operating costs and enhance customer service


  • Improved performance

    Residential and commercial revenue metering, network management and leak detection capabilities will improve through the use of our innovative metering solutions






The H4300 is a Woltmann-type horizontal vane hot water meter particularly suited to the high and sustained flows of bulk metering to a maximum temperature of 120 C. Available in sizes 50mm to 200mm for flow rates of between 1m³/h and 500m³/h. The meter complies with all relevant international standards. 


  • Serial pulse output.
  • Complies with all relevant international standards.
  • Measurement of hot water to a maximum temperature of 120 C.
  • Available in sizes 50mm to 200mm.
  • Robust shroud and register for long life and readability.
  • Highly durable tungsten carbide sapphire jewel rotor bearings.
  • Maximum working pressure of 16 bar.
Documents and Downloads


H4300 DatenblattData sheetGerman90.63 KBDownload
H4300 Specification SheetData sheetEnglish749.45 KBDownload