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Compressor from old AC unit as a water pump?

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  • Aug 8th, 2012 4:46 pm
[OP]
Member
User avatar
Jan 16, 2010
303 posts
8 upvotes
Montreal

Compressor from old AC unit as a water pump?

I'm recycling my old window AC unit, was pretty easy to take apart, the refrigerant portion was already depressurized (why it doesn't work), so no worries there.

I was thinking about using the compressor as a water pump. I'm sure it's used to having some sort of lubricant with the refrigerant, so I thought water may just work.

I had some ideas for the radiators to use as water/air heat exchanges in a different project.

Any thoughts on this and other potentially useful components? I'm especially interested in opinions on the compressor.
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3 replies
Sr. Member
May 6, 2010
537 posts
49 upvotes
Richmond Hill
you can use to pump tires, but no water, sorry.
[OP]
Member
User avatar
Jan 16, 2010
303 posts
8 upvotes
Montreal
Can you explain to my why it can't pump water? Potential for cavitation? Seems to be a rotary compressor if that makes any different.
"We'll always have Paris." :cool:

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-Same price for DVDs & Blu-Rays
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Deal Addict
User avatar
Nov 9, 2003
1346 posts
199 upvotes
Grimsby
I believe the reason is in the valves. They are not really valves but are something similar to reeds used in woodwind instruments and are designed for air/vapour. Liquid will smash them.

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