Try Galco 1-800-575-5562
http://www.galco.com/

I replaced the fan in a Carbo Erba NCS 2500 with a fan having similar 
specifications from a local industrial supply store. It's a Multicomp 
MC21233HBT 220/240V 0.125 A. As I recall, the fan cost about $40 and 
has worked great since the day I put it in about 4 years ago.

Lisa

At 12:52 PM 9/23/2009, you wrote:
>Hi All,
>
>Our EA cooling fan is dead, and while we found the new part number 
>(PN# has been replaced with pn# 4650Z-854) for the standard Carlo 
>Erba EA, we can not find a supplier that will take a small order....
>
>Does anyone have a supplier in the US that will let us order two units?
>
>Any help will be greatly appreciated!
>
>Thanks,
>Bill Anderson
>
>
>
>
>
>
>W.T. Anderson, Assoc. Prof.
>Earth and Environment Dept./SERC
>Florida International University
>Miami, FL 33199 USA
>
>tel: 305 348-2693 (office)
>tel: 305 348-3044 (SIL lab)
>web:  www.fiu.edu/~andersow