vaso expansion caldera vaillant 181052 parrilla-plana Reference: 5843543

Reference: 5843543

Protection against corrosion of the internal metal components of the electric water heater

HBG378EB6R/42

3HB503NM/02 BALAY

vaso expansion caldera vaillant 181052 parrilla-plana Reference: 5843543The expansion vessel is an essential component in Vaillant boilers that allows absorption of water volume variations when heated, preventing overpressure in the circuit. This specific expansion vessel, with a capacity of 10 liters and a maximum pressure of 3 bar, connects via a 3 8" thread and is designed to maintain the stability and safety of the boiler's hydraulic system. What problem does this replacement part solve? Leaks or water loss due to