junta torica caldera vaillant 9811663 cocinas 854852222150 GSU 61203 DI A+

854852222150 GSU 61203 DI A+ IO BAUKNECHT

Reference: ST0013611

Specific connection for microswitch integrated in Junkers/Bosch boiler control units

94300432301 40045VD-WN AEG

Belt type: Slotted

junta torica caldera vaillant 9811663 cocinas 854852222150 GSU 61203 DI A+The O ring for Vaillant boiler 9811663 is a sealing element used in the boiler heat exchanger to prevent water or gas leaks. It is made from materials resistant to the high temperatures and pressures typical of domestic boiler operation. This kit includes 10 units, facilitating multiple maintenance or repairs. What problem does this replacement part solve? Water leaks in the boiler heat exchanger. Pressure loss or poor sealing in internal connections.