gibbsbuller
New Member
I have encountered tubing that goes to boiler zone valves that is silver in color. It is essentially the same color as electrical conduit.
I've been told this stuff can be hard to solder copper to. Can someone point me in the right direction of what this stuff is.
I've been told this stuff can be hard to solder copper to. Can someone point me in the right direction of what this stuff is.