vaso expansion caldera sime 5183729 Bandeja Compatible with a wide range

Compatible with a wide range of 2-door refrigerator models from the mentioned brands

12880 PM 37 V ARISTON

WTE86185/45

7602769077 BDI1410 BEKO

KSV36VB3PG/26

vaso expansion caldera sime 5183729 Bandeja Compatible with a wide rangeThe expansion vessel is a fundamental component in heating boilers, designed to absorb the volume variations of water when heated. This Sime expansion vessel model 5183729 with a capacity of 9 liters helps maintain stable pressure within the boiler's closed circuit, preventing damage to the installation and improving its safety and durability. It features a 3 8'' male thread for connection. What problem does this replacement part solve? Unstable or