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3) Side safety window
DDSX225 (2021 - R290)
WAE28448NL/51
HBA74R150E/70
850731366020 S 40/04/G UNKNOWN
valvula 3 vias caldera vaillant 252458 sensor de presión 3) Side safety windowThe Vaillant 3 way valve 252457 is an essential component for the proper operation of Vaillant brand boilers. This valve allows directing the flow of hot water between the heating circuit and the domestic hot water circuit, ensuring an efficient and safe supply. Its design guarantees quick and precise switching to maintain the appropriate temperature in both circuits. What problem does this replacement part solve? Lack of heating or hot water due to
US$ 23.74
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