T1H4E1R1M3O1S1T1A1T1
15 points
THERMOSTAT is validvalid
[v THERMOSTATED, THERMOSTATING, THERMOSTATS, THERMOSTATTED, THERMOSTATTING]
to provide with or control the temperature of by a thermostat, a device for keeping temperature stead [v THERMOSTATED or THERMOSTATTED, THERMOSTATING or THERMOSTATTING, THERMOSTATS]