PizzaMaster Two Stone Hearth, Two Deck, Modular Electric Deck Pizza Oven – 700 Series. Stone Hearth – Natural Material with Crisping Function. The capability to reach 400 °C combined with exceptional heat recovery allows for higher output during peak times. The ability to adjust top and bottom heating elements allows for precision cooking to create any style of pizza. Double deck electric pizza oven PM722ED are high performance ovens as standard but can be powered up even more with our high temp option that deliveries a continuous temperature capacity for baking up to 500 C