I guess this has been asked before but "seal" and "oil" just produces masses of hits.
Many thanks Jim - never heard of it before but it sounds as if it has a good track record. I'll check evertything this morning but by yesterday evening the boiler was up and running and the seeps seem to have stopped.
Ideally you should use flared joints, but you would need a flaring tool. Compression joints are also possible. Solder joints will work for a few years but are not advised as the oil can disolve the solder.
There's some paste stuff... Googling.....
Heldite.
There are others...
Soldered joints are not *allowed*...
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