HEM, now part of Cathelco, produce an extensive range of reverse osmosis desalinators and fresh water treatment systems for superyachts. DESALINATORS The range of units cover all requirements; from smaller yachts to the largest ultra-rugged duplex units for superyachts, capable of high sustained output under continuous operation. VIEW RANGE WATER TREATMENT Since no water is 100% pure and always contains contaminants from natural and man-made sources, HEM produce a range of fresh water treatment systems. VIEW RANGE SPARES A comprehensive range of spare parts and consumables for all of our equipment. To test the quality of onboard water, we also supply a range of control, measure and regulation equipment in kit form. VIEW RANGE Latest News CATHELCO ACQUIRES ECHO MARINE TO CREATE STRONGER PRESENCE IN MALLORCA May 24, 2017 Read More 2 NEW FAST AND EFFICIENT HOT WATER SYSTEM FOR LUXURY YACHTS FROM CATHELCO HEM January 10, 2017 Read More 2 LISTEN TO CHRIS BELL AND SAM WAND TALKING ABOUT BALLAST WATER TREATMENT FOR SUPERYACHTS. October 5, 2016 Read More 2 HEM - Hydro Electrique Marine Zone les Trois Moulins, 150 Rue de Goa, 06600 Antibes, France Tel: +33 (0) 493 74 29 29 Fax: +33 (0) 493 74 80 62 Email: info@hemwater.com Copyright All Rights Reserved © 2015 Home Privacy Policy & Cookies Contact