It is a storage type, with a pilot light and a thermostatically controlled main flame.
They need no special wiring and may be thermostatically controlled to come on at 3 C.
The engine coolant now had a pump and thermostatically controlled bypass.
The fan was thermostatically controlled which was still an unusual feature at this time.
Most are thermostatically controlled, need no monitoring and plug into ordinary wall sockets.
However, since the units are each thermostatically controlled, we do not know exactly when each unit turns on.
For safety and convenience, buy cable that is thermostatically controlled.
This was further improved in 1987, with the addition of a thermostatically controlled fan.
Most attic fans, which range in price from $100 to $200 (not including installation), are thermostatically controlled and operate automatically.
Energy efficiency was improved by the addition of thermostatically controlled refrigerators in 1963.