CULINARY SERIES SEALED BURNER RANGE BlueStar® has combined professional level features and handcrafted quality into the Culinary Series Sealed Burner line. Cook like a pro with professional level power and versatility with 21,000 BTU* of searing power plus a precise simmer boomer. The new 48” Culinary Series Sealed Buber features an extra-large convection oven that will accommodate a commercial size baking sheet plus a companion oven that accommodates a half size sheet pan.