DIYbanter - View Single Post - Vacuum pump from refrigeration compressor questions

bob prohaska

wrote:
Apparently the air conditioner compressors are usually the vane type
while refers use pistons. Here in the US that is.
Eric

That's a little surprising, but if correct then a vane type AC
compressor ought to work fairly well as a single stage vacuum
pump. The only thing to watch out for is the vapor pressure of
the lubricant, but it's unlikely to be a problem.

hth,

bob prohaska