Excellent product when it is compatible ...

Parcels received quickly, thermostat fully compliant environment. Very easy to program, with functions simplifying the use, as the copy of the day's program for the next day to display requested or effective temperature, with manual modes, frost-holiday (heating will resume on the date requested ), easy to connect, as benefits.

Only problem, it is incompatible with the system Diematic 3 boiler De Dietrich. The latter requires a specific module (or package fm51 fm52 - remote control), only supports, despite the fact that the connection is not done with 2 son too. Attention then.

However, contrary to what has been written many times, the opening system works very well. The product is very well designed, I highly recommend it to those who do not have a boiler De Dietrich Diematic 3!