Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.17201

(a) “Appliance” means a refrigerator, dehumidifier, freezer, oven, range, microwave oven, washer, dryer, dishwasher, trash compactor, window room air conditioner, television, or computer. Appliance does not include a home heating or central air-conditioning system.

(b) “Manufacturer” means a person that produces, imports, or distributes mercury thermometers in this state.

(c) “Mercury fever thermometer” means a mercury thermometer used for measuring body temperature.

(d) “Mercury thermometer” means a product or component, other than a dry cell battery, of a product used for measuring temperature that contains mercury or a mercury compound intentionally added to the product or component. Mercury thermometer does not include a product or component of a product that is used as a replacement for an existing thermometer that measures temperature as part of a manufacturing process.

(e) “Thermostat” means a consumer product that uses a switch that contains mercury or a mercury compound to sense and control room temperature, including room temperature in residential, commercial, industrial, and other buildings, by communicating with heating, ventilating, or air-conditioning equipment. Thermostat does not include a product used to control temperature as part of a manufacturing device.