Call Tim and see what he might be able to get. Direct conversation usually more helpful than going back and forth on a forum. He is a good guy.

Hmmm, if YOU are stumped there may not be much hope for the rest of us.......

Please keep us informed

Google is your best friend

https://www.youtube.com/watch?v=pnqXEnn3DNk

You are correct, compression fittings are nearly useless. Flare fittings are used on copper tubing in residential and commercial HVAC all the time. Have refitted copper on a commercial freezer box (-40°) using flare, as was the original. Use Nylog on the flare, and be sure they are tight. However, c...

Done. Ordered. Not what you see hanging on the walls at Johnstone and Baker.

I'm on a couple of HVAC forums and have seen how they set up their trees. Never a word about black hoses, tho.

Thanks!

Doug, I am not familiar with the black hoses. Do these entirely replace the traditional red-blue-yellow setup? Or are they used for vacuum only. I can easily get 300 microns on my tree with the red and blue joined together with a special quick connect union I made (we always test the tree before we ...

I would like to thank the heavy hitters on here, and Tim, for a super knowledgeable site! I have many years of experience with mobile, residential, and low temp commercial (freezer boxes to -40°). My full time job is with my nephew restoring vintage vehicles, and not stuff like a tri-5 chevy. Earlie...

" I used compressed shop air to force out the flushing fluid and help dry it. " This will introduce a lot of moisture from the compressor. It has already been suggested that a 30 minute vacuum is insufficient, all the water vapor must be boiled off. We vac for a min. of one hr, and use a m...