Zephaire-200-G-ES Base Section (oven only) ENERGY STAR Qualified Gas Convection Oven – Liquid Propane, 50000 total BTU, Construction, Fully welded extruded angle iron frame keeps oven square and true, Blodgett convection ovens maintain durability and precision even after years of use, Double porcelainized interior surface prevents rust and extends lifespan, Doors are triple-mounted directly into the full angle iron frame for alignment and sealing, minimizing heat loss, Cavity lights and glass doors allow easy observation of cooking progress, Operation, 50000 BTU per hour, 54% energy efficiency rating, ENERGY STAR qualified, Two-speed fan motor, Standard SSI-M solid-state infinite control with separate 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 or front to back, (10) 12" x 20" x 2.5" steam table pans.