Connection size: 1 1/2 inch, installation length (pitch dimension): 180mm, suitable for: hot water systems, nominal voltage 1: 230V, protection class (IP): IP44, the circulation pump UP 25-60 B for the hot water circuit can be electrically controlled in 3 stages. Complete with insert parts R 1The circulation pump UP 25-60 B for the hot water circuit can be electrically controlled in 3 stages. Complete with insert parts R 1