As a result

an external thermal switch must be connected (contact Grundfos)

In addition

suitable for pumping clean water

Grundfos AP50 submersible pumps are a range of Vortex- and single-channel (1-channel) impeller pumps designed for transferring drainage- or wastewater

cri 1s 11 a fgj a e hqqe 92899950 As a resultVertical, multistage centrifugal pump with inlet and outlet ports on same the level (inline). Pump materials in contact with the liquid are in stainless steel. Power transmission is via a rigid split coupling. Pipe connection is via combined DIN ANSI JIS flanges. The pump is fitted with a 1 phase, fan cooled asynchronous motor.