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The ESBE GMA500 collector series, intended for DN25/32 and Flexi hydraulic units. They are (2) & (3) circuits, with a hydraulic separator for boiler heating systems and a separate circulator for each circuit, which ensures flow balancing. The collectors are equipped with an insulating shell according to EnEV2014, and are delivered with wall mount brackets and have an additional connection that allows connecting e.g. sensor. All connections are color coded for easy and quick connection to the system and hydraulic units.