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Hi,

I have a batch of boards like the ones in pics and was wondering grade, and if anything else should be removed. I started taking off the air nozzle in A, but then noticed the pins to it seem to be gold and are soldered, so stopped. The intake filter bubble seems to be soldered fully as well. Each pic has a front and back of board showing.

Thanks,
Uriah

What is the board from? That will help determine the grade of the board.

I took these apart a few years ago, so not exactly sure what they were at this point, but was a medical device of sort that passed air. A medical pump control of sort.

Ok, thanks. I was more concerned about the component on the board then the board grade itself. Midgrade as is, no need to remove anything from them.

Thanks again AAK2. I've been doing my best to learn what is dangerous and what is valuable. Here are a few more pics where you can probably read/see better the individuals of it all. I didn't even notice the pins on the intake filter thing were gold on the bottom until I held at that one angle for the pic.

I'm leaving for my first haul ever there, and have been planning/ripping for years, but now have 2 days before hitting the road and a big mess of randoms to try and figure out or bust down what I can. I've been appreciating your "vision" for grading as is while I work on things I know need to breakdown more.

Standard pump relay controller. There’s two in a flow control unit.
The mesh net filter is nickel-free low tin stainless.
Midgrade

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42 6F 61 72 64 73 6F 72 74 2E 63 6F 6D

Thanks lostinlodos. I think I'm finally getting a grip on mid grade now. I think I may be running out of time to figure out some of the higher grades before my trip on Thursday (about 6 hour drive, but half way between home and destination), but with my 500 open discussions digging for higher like mine, I figure I'll be in good hands if close-ish as possible.