I was in the same situation I called them back in October 2018 I order it in July 2018, they told me I was a lucky one they had people waiting since Feb 2018. I returned the pan to summit and bought a kevko for less
To just clean windows use water with a little bit of dish soap in a spray bottle, it works better than windex or anything else and it won't streak, if it dose take a dry towel and it wipes right off