A 1.5m lead for plug in to an existing 240V outlet.
This can reduce the electrical install cost.
Save more money in future on electrician costs and breakdowns.
Float can be changed by a non-electrician cutting and joining the cable without opening the control panel.
Auto-Off-Manual switch so if the float switch fails or gets jammed, the water level in the pit can still be lowered by operating the pump via the manual switch.