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Refrigerant Recovery machine - $110 (Prineville)
condition:
good
make / manufacturer:
Promax/Amprobe
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Refrigerants listed:
R11
R12
R22
R134a
R404A
R500
Max operating pressure: ~400 psi (27.5 bar)
No R410A listed → dates it pre-410A era
Manufacturer numbers 9919893
Same layout, fittings, and warning labels as RG5000-series machines
All of that puts it squarely in the mid-1990s Promax production window, before high-pressure refrigerants became standard.