To answer this question the voltage of the immersion heater is needed. I = W/E.
86
45 watts
Hoovers use 1000 - 2000 watts
Abut 20 watts.
650 watts
About 10 watts
189 watts
25 watts.
it may use 15 to 25 watts
Usually about 1200 to 1500 watts.
250 Watts.