...because every drop of water counts. Water meter, heat meter, Service and more.

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It began in 1903, when Karl Adolf Zenner sen. laid the foundation for our company with the creation of a sales business for water meters. Today it is hard to believe that at that time running water was a luxury. Then, most people hat to get their water from public wells. The individual supply of water was also a financing problem. Water consumption seemed to be a fair basis for charging fees. Water meters were needed to make the consumption of water measurable and in doing this, calculable. Zenner began in the year 1924 with its own production of water meters.