To prevent motor damage the PondEco pump has a built in TFR (Thermal Resettable Fuse) that automatically switches the pump off if it overheats. Once cooled, the pump should switch itself back on after 15 to 20 minutes.
When sited externally they must be set up below water level as they are not self priming and we advise they are run like this only at the end of gravity fed external filter systems. 2 1.5 threaded inlet. PondEco pumps are designed to pump water containing solid material to a filter or a waterfall. The cage is specially designed to prevent it clogging by providing the maximum surface area. The outlet of the pump has a screw thread hosetail 25-38mm (1"- 1.5").
When using a pond pump to power a filter system reliability is essential. That is why all PondEco pumps key features provide total reassurance.All PondEco pumps have a TRF (Thermal Resettable Fuse) this device automatically switches off the pump if it overheats to prevent motor damage. Once cooled, about 15 to 20 minutes the pump will switch itself back on. The vortex impellar blade can handle solids upto 8mm.