vaso expansion caldera viessmann 7831308 junkers/bosch 93301240703 RJVL1621 ROSENLEW

93301240703 RJVL1621 ROSENLEW

WTG86262ES/08 BOSCH

BBH65KITGB/02-05

KIL20A65 KIR18A60 KIV26470FF

F153133 869991531330 HBO 3T21 W X Ariston

vaso expansion caldera viessmann 7831308 junkers/bosch 93301240703 RJVL1621 ROSENLEWThe expansion vessel is an essential component for the proper operation of heating boilers such as the Viessmann Vitopend. Its main function is to absorb the increase in water volume when heated, thus preventing excessive pressure buildup in the closed circuit. This specific model, with a capacity of 6 liters and a 3 8" thread, ensures the stability and safety of the hydraulic system. What problem does this replacement part solve? Excessive pressure