Each room on the ground floor is a separate heating control zone with a room temperature ... to the hydronic heating distributor is controlled by a 3-way mixing valve operated by an electric motor ...

18/01/2023 Cowan Dynamics Inc. For over 65 years, Cowan Dynamics has continued leading the way with ... recently been SIL-3 Certified. The E2H-ESD is an electro-hydraulic actuator that has been ...