What Von Duprin power supply is correct for the motorized Von Duprin Chexit device (as of 2016)?

What Von Duprin power supply is correct for the motorized Von Duprin Chexit device (as of 2016)? 

The Von Duprin or Schlage PS902 is correct for ONE Von Duprin Chexit device. 

The Von Duprin or Schlage PS904 is correct for up to THREE Von Duprin Chexit devices. 

The Von Duprin or Schlage PS906 is correct for up to FIVE Von Duprin Chexit devices.  


DISCLAIMER:

INFORMATION PROVIDED THROUGH THIS SITE IS PROVIDED TO YOU AS IS WITHOUT ANY EXPRESS REPRESENTATIONS OR WARRANTIES OF ANY KIND, AND WE MAKE NO REPRESENTATION OR WARRANTY THAT THIS SITE(OR ANY INFORMATION PROVIDED IN RESPONSE TO YOUR INQUIRY), WILL BE ACCURATE, COMPLETE, OR ERROR-FREE.

YOU AGREE THAT YOU MUST EVALUATE ALL INFORMATION AND RESPONSES, AND THAT YOU BEAR ALL RISKS ASSOCIATED WITH, THE USE OF THIS SITE, INCLUDING ANY RELIANCE ON THE ACCURACY,COMPLETENESS, OR USEFULNESS OF ANY INFORMATION OR MATERIALS MADE AVAILABLE THROUGH THIS SITE.