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Flared fitting and nut
which protects the interior of the tank from corrosion
Door misalignment causing water leaks or poor sealing
3HB434X2 Bosch HBN331E1
sonda ntc caldera vaillant 252814 award Flared fitting and nutThe NTC sensor is an electronic component used in Vaillant boilers to measure the temperature of the water or the circuit. It operates through a thermistor whose resistance varies according to the temperature, providing an accurate signal to the boiler's control unit that regulates the operation of the heating and domestic hot water system. What problem does this replacement part solve? Boiler that does not heat properly due to an incorrect
