WILO pump Star-Z NOVA A - 4132761 Design: Grease-free circulation pump with threaded connection and synchronous motor resistant to reverse current Application: Drinking water circulation system for industry and construction machinery The circulation pump is only suitable for drinking water. Technical data Temperature of the pumped medium: drinking water up to 20 °dH: max. +65°C, in short-time operation (2 hours) up to +70°C Supply voltage 1~230 V, 50 Hz Protection class IP 42 Nominal diameter Rp ½ max. Working pressure 10 bar With shut-off ball valve and non-return valve Features/function Quick mains connection via Wilo plug Plug-in non-return valve on the suction side Integrated shut-off ball valve on the pressure side Lock-up current -resistant motor Plug-in timer (Star-Z NOVA C only) Standard thermal insulation Materials Pump body: Brass Impeller: PPE/PS-GF30 Shaft: Ceramic material Bearing material: Cemented carbon, impregnated resin Accessories Threaded connections Levelling elements Corner pin with 2 m mains cable.