Just got my Xfinity alarm installed. Looks like a good service so far but wish they would include more than 3 sensors. Anyhow, I found some sensors for 20 bucks on Ebay. After discussion with the tech, I found out they are not able to give customers the main password for the Touchpad so I can install additional sensors. If I buy additional sensors from a 3rd party a)will Xfinity install them and b)is there are an installation fee and if so how much?
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