Expansion tanks - can they be welded?

Quote:

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Originally Posted by clean32

a disco one has splits not holes

i have a drill and i know how to use it

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I meant a disco one has 2 outlet holes, one large one small. My county one only has 1 small.

89 rangies have the same as the d1 in brass with the big and small tubes :D:D

Some plastics can be welded. The copper/brass ones can be soldered, brazed or silver soldered.