A couple years ago there was an announcement for a similar product with a Z-Wave radio in it:
GoControl Smart Water Flow Detector WL00Z-1
http://www.lowvoltagesupply.com/2GIG-WL00Z-1-GoControl-Smart-Water-Flow-Detector-p/wl00z-1.htmI immediately ordered one, only to have my order cancelled by the store because the product never did make it into production, apparently.
Here's the book:
http://www.gocontrol.com/manuals/WL00Z-1-Install.pdfAnother marketing page from a retailer:
https://www.007systems.com/nortek-wl00z-1.html#/I reached out to Nortek/GoControl some time back, but no response. If anyone has any knowledge of this thing, I sure would be interested.