One-Pipe Boiler
This solution is ideal for houses with a one-pipe heating system, where all radiators are connected to the same pipe. To use, place the sensor in the room where you spend the most of your time. When the temperature in that room dips below your pre-set temperature settings, the heat will turn on for the entire house. When the temperature is hotter than what you set, the heat will turn off in the entire house.
The biggest advantages of this system are its low cost and easy setup. The one disadvantage is that since only one room is regulated, the temperature can sometimes be too hot or too cold in other rooms.
With this setup, only one room is monitored. The following components are required: