Downward-swirling intake
The supplier describes a downward suction arrangement intended to reduce blockage and improve drainage.
Automatic level control
A float switch starts and stops the pump with changing water level; provide enough free travel in the sump.
Single-phase drive
The WQD-V sheet identifies a capacitor-driven asynchronous motor for the listed single-phase family.
Thermal protection
The supplier describes a motor thermal protector for over-temperature events. Its additional over-pressure claim is not detailed on this sheet; verify control and restart behavior for the ordered unit.


