Zephaire-100-G Base Section (oven only) Gas Convection Oven – Liquid Propane, 50000 total BTU, Construction, Fully welded extruded angle iron frame maintains oven squareness and strength, Blodgett convection ovens retain durability and structure after years of operation, Double porcelainized interior surface resists hidden rust and prolongs oven life, Triple-mounted doors within full angle iron frame maintain seal and alignment to prevent heat loss, Cavity lights and glass doors provide visibility into cooking chamber, Operation, 50000 BTU per hour, Two-speed fan motor, Standard SSI-M solid-state infinite control with thermostat and timer dials, Optional SSD solid-state digital control with LED display, Cook & Hold and Pulse Plus, Capacity, 3.25" pan spacing, (5) full-size sheet pans left to right, (10) 12" x 20" x 2.5" steam table pans.