junta torica caldera vaillant 9811663 filtro-escape regularly replacing them protects the

regularly replacing them protects the motor and maintains constant suction power

3KFP7965/04

WAE20443OE/10 BOSCH

SGS56E22EU/04 BOSCH

Reference: 11668-000000

junta torica caldera vaillant 9811663 filtro-escape regularly replacing them protects theThe 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.