You really didn't post enough info for anyone to respond. Is it a recovery system for automotive or HVAC?
What
refrigerant can it recover?
I've seen a lot of old automotive systems go cheap because they are designed for R-12 which is used very little. One that uses 134 has a little more value, but I can pick those up for 50-100.00 so it would be right in line with a used price.
HVAC systems do hold their value a little better. If it can handle new refrigerant 410 (higher pressure) it would be worth 100+ depending on the model. If it can only handle R22 it still has value but the market is limited. In that case, your again, right in line with a piece of used equipment 50-100.00. I personally own 3 recovery systems, I have 1 setup that I only use on R-22, one for 134, and my newer system I use on 410. You don't want to mix refrigerants and it's just more simple to have 3 setups and sets of gauges, but this is because after a few years you end up with an excess of equipment, I could get by with just 1 set.
If you are planning on buying one for scrap, I think you would be real disappointed at 50.00. There is some copper, motor, wire, but nothing that would most likely get you above 50.00.
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