This PHP Script has an Anti-Leech feature turned on.

Make sure you are accessing this file directly from www.steam-brite.com

Your IP address has been logged.
18.222.20.3 (ec2-18-222-20-3.us-east-2.compute.amazonaws.com)

Here is a link to the directory index the file is in:
http://www.steam-brite.com/literature/schematics/index.php?dir=Pullman%20Holt/