[gr cleaning solutions]

As I say above , every time I switch the heater on it tripping the house electrics out everything else works fine not sure where to start any advice

Thanks Gavin

[V_Purcell]

If its an inline heater, start with the thermostats. If its the element heater check the element for continuity with a meter, If you test the thermostats as well for continuity as well, thats a start.