Why does my inner heat trip the electric,i hold changed the pump & the control box? my boiler isnt a combi

my boiler isnt a combi
Where do mice live during the hours of...
Answers:    Please dont be ofended, but if you are not capable of finding this problem next you realy should not be working on the system. For your own safety please send for in a profesional
Stx38 john deere?
In the electrics of the heat system there is a failing . Something is shorting or drawing excessive current to trip your circuit breakers... Its not only the pump, you own the boiler ignition, the thermostats and valves, . Might be best to gain it checked by a boiler/heating engineer.