What is frost protection mode?

Frost protection protects the heating system and the water installation connected to it against freezing and damage caused by low temperatures.

Frost protection mode engage in two cases:

For gas boilers:

• Frost protection will be active if heating circuit is in standby mode and outside temperature is below 3 ° C 

For heat pumps:

• Frost protection will be active if outside temperature is below 3 ° C, no matter which operating mode.