junta torica caldera vaillant 9811663 solera grill PKNB39XL30/14

PKNB39XL30/14

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this RBE011 type ignition heating element is essential for optimal operation

junta torica caldera vaillant 9811663 solera grill PKNB39XL30/14The 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.