? Can work when the power is off
? High performance and low power consumption
? Switch Automatically among the three pumps
? Both Manual and Automatic operation is available
? YE3 high efficient motor with protection IP55 class F
? With quality NSK bearings, wear resistance mechanical seal
link:https://www.purityfire.com/fire-fighting-system/fire-pump-system-electric-diesel-jockey-pump.html