llave llenado caldera vaillant vc vcw anillo-platillo-auxiliar 20 cm3 Expansion device Tubo

20 cm3 Expansion device Tubo Capilar / Obús Expansión Capilar-Válvula Weight 15

HBG30B550/61 BOSCH

HB43AB520J-01 BOSCH

WVTI3240GB/02

KG36N2LEB/06

llave llenado caldera vaillant vc vcw anillo-platillo-auxiliar 20 cm3 Expansion device TuboThe filling valve for Vaillant VC and VCW boilers is a fundamental part that allows refilling the boiler's water circuit to maintain the correct operating pressure. This replacement facilitates the controlled entry of water from the network to the heating system, ensuring safe and efficient filling. What problem does this replacement solve? Inability to fill or increase the pressure of the boiler's water circuit. Leaks or dripping in the original