We are looking to replace our old gas wall oven unit which is a 24" unit. I don't want to install a new panel and electrical line so that is out, but we would really like to go larger than 24". I can't find anything out there other than a viking unit which is 30" and more than I am willing to spend. Everything else seems to be limited to 24" for gas. What happend to all the 27" and 30" gas wall oven options?