Patent ID: 8313315

Claim:
A Circulating pump, comprising: a housing with a pump part, in which a pumping space is arranged; a suction connector, which is in fluid connection with the pumping space via a pump inlet; and a pressure connector, which is in fluid connection with the pumping space via a pump outlet; wherein: at least one of the suction connector and the pressure connector are formed on at least one connector element, which is a separate part from the housing; the at least one connector element is fixed to the housing; the housing has a fixing region for fixing the at least one connector element, the fixing region is connected in one piece with the pump part, is arranged above the pumping space, is connected in one piece with side walls forming the pumping space, and does not extend into the side walls; a housing part below the fixing region is free of fixing elements for the fixing region; the at least one connector element rests on solid material of the fixing region or the solid material of the fixing region rests on the at least one connector element; the fixing region surrounds the at least one connector element; and one or more recesses are formed in the pump part and one or more seals are respectively arranged in the one or more recesses, said one or more seals being arranged between the at least one connector element and the housing, the pump inlet and the pump outlet being located within a periphery of said one or more seals.