Wire regulation requires a direct connection between an interior thermostat with the boiler unit. The individual thermostats differ in the ability to create heating programs, regulation accuracy, functions, and options to connect other peripheries, such as the additional GSM module for SMS communication, or external temperature sensor. However, they always provide cost efficiency and bring a higher level of comfort that every household user appreciates. We also offer discounted equithermic sets that are able to regulate the boiler output according to the outdoor temperature.