The main function of the compensation valves is to keep the internal / external pressures of the cold room balanced.
Such variations occur periodically coinciding with the different defrosting phases as well as with the opening and closing of the doors.
The non-use of the compensating valve can generate the following inconveniences:
abrupt opening of the doors with consequent deterioration of the products
cracking of panel joints resulting in icing
All models, with the exception of the MicroElebar, are available in both versions: