Nice, that looks great. I read the whole thread and had some thoughts.
After buying a conical new and one used, I don't think I'll ever go new again unless I want something very specific. Not that there is anything wrong with new, but brewing equipment has very high depreciation. I bought most of my equipment used and for the most part it has worked out well. With that said, I love my jacketed conical and I'll never not love it, even if it was stupidly expensive.
I'd throw out the used hoses though and buy new ones. I'll wear used pants, but not used underwear.
You posted earlier that you think a conical can improve your beer. My experience is a conical can improve your process, which
can lead to better beer, although it is not a given. Plenty of excellent beer has been made in buckets, which shows the process was good. I think conicals can make it easier to handle beer better.
On dump valves, I never use mine with beer in the fermentor. Without using one I usually have one or two quarts of beer still in the cone after racking. Dumping would increase that amount. However, cleaning is trivial when using the bottom valve, which is nice on the 85lb fermentor, but a tactic I picked up from a probrewer was when pumping wort into the fermentor, pump in from the bottom valve. No splashing, no mess.
Lastly, accessories can get out of hand. I have no regrets.
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