Quote Originally Posted by Helirich View Post
Not following you. If you mean the tank, I bought it new and used it once to hold R22. That was put back in the fridge and whatever was left should be gone when I vacuum it out.

If you mean the system, it should be R12, but I guess the PO could have mixed it. If it was converted, they should have changed the fittings.
??? I must have misunderstood what you were asking here:

Quote Originally Posted by Helirich View Post
...Did I screw it up for later?