HERZ-Armaturen is based in Vienna Austria and was founded in 1896. HERZ is employing over 3,000 people worldwide and operating 30 factories located across the European Union. HERZ manufactures an extensive range of quality engineered valves and controls for heating, cooling, and domestic water systems, as well as taps and thermostatic showers appropriate for the UK market.

HERZ has a quality assurance system that enables the company to grant a five year fully comprehensive warranty, covering parts, labour, and consequential loss. This warranty is valid for all products specified in the HERZ Certificate of Guarantee.

All work at HERZ is done in accordance with an up-to-date quality management system certified according to ISO 9001.

HERZ also have WRAS certification covering all domestic water products sold into and observe all environmental legislation and manufacture in accordance with ISO 14001.