It depends. Usually, it’s avoided, as pumps that continue to operate when the liquid runs dry can suffer mechanical damage. You might be okay if the pump ran dry for about 45-60 seconds, but you’d still want to avoid it.
When shopping for submersible pumps, consider getting one with a float switch. A float switch automatically stops the pump from working once there’s no more liquid to pump out. The beauty of float switches is that you can set the pump to work again once the liquid rises to a certain level.
Several types of submersible sump pumps are safe to run dry if you install the right accessories and control systems. You can learn more about pumps and various accessories by visiting this link. This company is also the only carrier of Jung Pumps in the United Kingdom, which is the leading brand when it comes to submersible pumps.
