With a manufacturers leak repair kit normally supplied as an add on device
1st you need to know where the leak is. The only time a copper fitting or brass fitting will fix a leak is in the watersupply connection.
if the leak is at the thermostat housing, make sure you installed the gasket and that is torque down to specs.(you may try some silicone,not too much)
I have a waterline leak at my home from the street to my home....can I get a grant to fix this leak?
call a repair man
What kind of leak and where is it?
That depends on where the leak is coming from. If it's from a hose than replace the hose. If it would be from the rad, you could always apply silicone to the crack in the rad or purchase a new rad and have it installed.
Take it to a garage. It can leak at several places and there are seals that can be installed to stop the leaks.
Stop leak is a temporary fix. I don't recommend it. Tighten the clamps on the hoses going into the raditor.
You have to determine the source of the leak then decide on how to fix it.
You will have to locate the source of the leak before you can fix it. Re-post with your findings.
I spliced mine in to the power wire on my raido. now if you had in installed go back and have them fix it.
You don't fix the leak on the water tower. It is not part of the island quest.