Verizon Fios cable box if i bought another box off of ebay, and not verizon will...

...it work? Hello just had a quick question about Verizon Fios, I have the triple thing for Verizon (phone, tv, internet) is it possible if I bought another box off of ebay and it would be a Verizon fios cable box would it work in my house? trying to hook it up to another TV
please help
thanks