Ufh And By-Pass Pump

[Sharpend]

Would the rcd trip if the pump run dry when he bled the pump whilst running?

 

[ProDave]

Would the rcd trip if the pump run dry when he bled the pump whilst running?

Shouldn't do, but the pump may squeal somewhat!

If you have ever taken one apart, usually there's a motor coil in the plastic housing, and this drives the impeller, which is the other (wet) side of an aluminium plate. so water and electrics should never mix.