Room thermostat PT21

Product detailed description

Features of the PT21 digital thermostat:

It is the successor of the PT20 thermostat (discontinued). It is designed to meet high standards for the required functions while keeping the operation of this device simple. By using a digital thermostat you can significantly save the energy needed for heating while maintaining optimal thermal comfort. Thanks to the extensive program options (up to 6 time periods and temperatures for each day), you can select the ideal program to suit your needs.

Advantages of PT21:

• ABILITY TO SET HYSTERESIS in the range from 0.1°C to 1.5°C
• QUICK TEST OF CORRECT CONNECTION OF THE THERMOSTAT AND BOILER using the "Test" button
• Easier setting of time and day, using only the "+/-" button
• Faster copying of days using the "Copy" button.
• Different program for each day
• Simple operation and programming
• Option for a short-term change of the program temperature
• Easy installation into all types of KU/KP68 installation boxes
• Energy-saving holiday mode (maximum number of days: 99)
• Low consumption
• Information about boiler operating hours
• Temperature regulation in 0.5°C steps
• Multifunctional display
• "Off" button for switching off the boiler
• Memory retention when replacing batteries for approx. 25s