If you take the time to read what Comcast says about these devices, this is what they say to all..."Any fire detection system installed or used by Company to provide fire monitoring is a secondary, supplemental system and does not replace the primary system that you are responsible for maintaining in your home. "
These are Comcasts words, not mine!
This is the link: http://customer.comcast.com/help-and-support/home-security/about-fire-monitoring
These are Comcasts words, not mine!
This is the link: http://customer.comcast.com/help-and-support/home-security/about-fire-monitoring