ther·mo·stat
A device, as in a home heating system, a refrigerator, or an air conditioner, that automatically responds to temperature changes and activates switches controlling the equipment. ther′mo·stat′ic adj.
What is a thermostatically controlled heater?
Thermostatic temperature control systems consist of a thermostat plus some sort of heater and/or cooler. ... If temperature is below the set point, the heater is on and the temperature rises. When the rising temperature passes the set point, the thermostat switches the heater off and temperature falls passively.
Is thermostatically a word?
adverb By means of a thermostat .