The appliance safety device provides a spray of a liquid, typically a water, both above and below an appliance deemed capable of catching fire. The device also retaliates against either the appliance or the liquid release that can harm a surrounding environment. The device automatically senses an excessive heat and triggers the spray over and under the appliance, with a pan positioned below the appliance to capture the spray. Water buildup within the pan is automatically sensed and a pump triggered to evacuate the pan through a drain line into a drain.