vaso expansion caldera vaillant 181057 plástico resistente PPQ7A6C90N/01

PPQ7A6C90N/01

WT46E182NL/38

and the shaft is the component that connects it to the motor

The heater does not turn on or shows intermittent failures when trying to start

vaso expansion caldera vaillant 181057 plástico resistente PPQ7A6C90N/01The expansion vessel is a key component in boilers that allows absorption of pressure variations caused by the expansion of hot water in the heating circuit. This Vaillant 181057 model, with a capacity of 10 liters and a maximum pressure of 3 bar, is designed to maintain stable internal pressure and prevent damage to the boiler and pipes. What problem does this replacement part solve? Unstable or fluctuating pressure in the boiler during operation.