Now there is a way to protect your pull stations and similar devices located where temperature or environmental conditions exceed the suggested operating range, using our protective cover fitted with a heater assembly. Thermostatically controlled 110 VAC heater and a continuous duty fan maintain a uniform temperature in the cover when product it is covering is located in a cold environment. Applications include, but are not limited to, refrigerators, freezers, meat packaging plants, arctic environments, ocean rigs, slaughter houses, etc. Maintains an internal operating temperature when external temperatures are as low as -70 degF -57 degC.