cr 1s 12 a a a v hqqv 92899751 an external thermal switch must

an external thermal switch must be connected (contact Grundfos)

The VFI is based on the principle of vortex shedding behind a bluff body

two signal-relay outputs (potential-free contacts)

The SMART Digital DDE is a compact positive displacement

Input for low-level and empty-tank signal

cr 1s 12 a a a v hqqv 92899751 an external thermal switch mustVertical, multistage centrifugal pump with inlet and outlet ports on same the level (inline). The pump head and base are in cast iron all other wetted parts are in stainless steel. Power transmission is via a rigid split coupling. The pump is fitted with a 1 phase, fan cooled asynchronous motor.