Ned Simmons wrote:
In article ,
"Tom Gardner" says...

This tube better not be copper! It will work-harden from vibration and
crack. Plumb it with steel!



Yikes, you mean all the copper tubing on my 1961 IR
compressor is going to burst any time now? g

Likewise, the tubing from the pump to the tank on my last 2 compressors,
a DeVilbiss and a Quincy, have been copper .. - GWE