You can find those broken links by removing the dashes from the last part of the broken url and searching the community for the words. In this case, enter “intermatic pe653 pool control system” in the search box and you will see Intermatic PE653 Pool Control System
Or, I think, just replace the http://build.smartthings… part of the path with http://community.smartthings.com/t/
I am interested in getting my spa setup with z-wave to control temperature. Keep us posted if you implement a good solution. I just started looking into this myself.