Healthy Water

Product line

Guldager offers a number of products and services for prevention and controlling Legionella. We offer solutions for immediate elimination or continous prevention of Legionella.

Immediate filter barrier

By acute outbreak of Legionella, we offer to exchange e.g. the shower head with a special filter.


Guldagers Alpha-B valve is intended for dynamic regulation of water installations. The Alpha-B valve maintains the hydraulic balance in the installation and ensures optimal circulation.

Service Contract

Guldager provides service on all our products. Either as a supplement to an existing service contract or as a separate contract.


LegioControl® is a compact and integrated dosing and control system for contionous prevention of Legionella in hot water systems.


UniControl not only surveys the corrosion protection in the installaton it can also advantageously provide Legionella control.


Guldager is a Danish family owned company. The company was founded in 1946 and is today a modern company, represented internationally through subsidiaries, agents and dealers. We apply decades of experience, up-to-date knowhow and cutting-edge technology to meet the many needs of our customers.


Guldager A/S is an international company committed to its customers. We are used to provide service and support to our customers all over the world. Please feel free to contact any member of the Guldager team, we are looking forward to hearing from you.

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GULDAGER A/S HEJREVANG 1-5 DK-3450 ALLERØD +45 48 13 44 00