Makita PF0410/2 240V 140 Litre Submersible Drainage Pump

Amazon

Dirty water Pump for heavily contaminated water For dirty water up to 35mm particle size Ideal for de-watering cellars, basins and garden lakes Float SWITCH automatically switches off the motor to protect the pump from running dry when the water level falls below the capacity, then automatically switches on when the water level rises Rigid plastic housing Automatic shut off with adjustable float level Submersion depth 5 metres Minimum suction level 40mm, Weight: 10.802650838 pounds, Manufacturer: Makita

Currys

Good to know - This Makita drainage pump can be submerged down to 5 m so you can easily clear out your garden pond- It can pump out tiny 35 mm dirt grains - handy to keep the water clean- You can draw out about 140 l of water in a minute with its 400 W engine- No need to keep monitoring water levels as the float switch automatically shuts off when it's running dry - With its 10 m power cord you won't have to go looking for a socket closer to the pond

ManoMano

400 Watt Max pumping capacity: 140 l/min Max solids diameter: 35mm Max submersion depth: 5 metres Max head: 5m