Te Kloeze Sewer Technology Achterhoek and Liemers Te Kloeze Sewer Technology has been the specialist in sewer technology in the Achterhoek and Liemers for 35 years. Te Kloeze Riooltechniek is available 24/7 (in case of acute problems) in Arnhem, Doetinchem and Winterswijk to unclog the sewer in case of common sewer problems. The customer base of Te Kloeze Riooltechniek is very diverse and ranges from housing associations, municipalities, companies & institutions, but certainly also private individuals. The people who work at Te Kloeze Riooltechniek form a close-knit team of – believe it or not – enthusiastic unblockers.