Reflex Winkelmann GmbH is one of the leading suppliers of high quality products for heating and water supply technology. With headquarters in the Westphalian city of Ahlen, the company develops, produces and sells expansion vessels in addition to components and complete system solutions for pressurisation, water make-up and degassing as well as hot water storage tanks and heat exchangers. Reflex Winkelmann GmbH is the driving force for the business unit Winkelmann Building+Industry within the Winkelmann Group.