End up with urger carrying boiler (4,3)
I believe the answer is:
turn out
'end up' is the definition.
(an event can end up or turn out a particular way)
'urger carrying boiler' is the wordplay.
'urger' becomes 'tout' (I can't justify this - if you can you should give a lot more credence to this answer).
'carrying' means one lot of letters goes inside another.
'boiler' becomes 'urn'.
'tout' enclosing 'urn' is 'TURN-OUT'.
'with' is the link.
Can you help me to learn more?
(Other definitions for turn out that I've seen before include "parade" , "A number at meeting" , "All the voters" , "Dismiss" , "Eventually appear" .)