A:Answer Hello nemada,
Yes, the Eero 7 3 pack will work great with Spectrum. Spectrum will provide the modem for your system and you can connect the Eero 3 pack system to use as your WIFI router. If the Spectrum Modem is already set up in your home, all you need to do is follow the directions that come with the Eero for setup. Eero uses a very customer friendly app to help out! One thing I would check on from Spectrum however is that, if they gave you a Modem/Router Combo, that the Router portion of the device is turned off. Also, I would consult your bill to see if they are charging you for the Router feature on the unit they set up. If this is the case, I would reach out to them to make sure you aren't paying any sort of rental charges for features that you won't be using.
I hope this answers your question!