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857484716000 ETIH 5660 IN BAUKNECHT
Cell deterioration due to heat and humidity
Expansion: Capillary/Valve: -20 / +10ºC
\nEnsure all items are dishwasher safe and follow the manufacturer's instructions
Part type: overflow or overfill
valvula 3 vias caldera vaillant 011289 minioxybutano 857484716000 ETIH 5660 IN BAUKNECHTThe 3 way diverter valve is an essential component in Vaillant boilers that allows redirecting the flow of hot water between the heating circuit and the domestic hot water circuit. This replacement part ensures that the boiler operates correctly by alternating the water flow according to demand, preventing improper mixing and improving thermal efficiency. What problem does this replacement solve? Lack of domestic hot water or heating due to blockage
