vaso expansion caldera vaillant 181022 ranco WL10 A (up to approx

WL10 A (up to approx

HBG43T420/01 H

854655116982 GSI 5513 WS BAUKNECHT

Pasador de bloqueo roto o sin recuperación

91490820600 FWG7121K

vaso expansion caldera vaillant 181022 ranco WL10 A (up to approxThe expansion vessel is a fundamental component in Vaillant boilers that allows absorption of pressure variations caused by the expansion of water when heated. This model, with a 12 liter capacity and quick connection, ensures the proper functioning of the hydraulic system, preventing damage to the boiler and leaks. What problem does this replacement part solve? Unstable pressure in the boiler causing the pressure switch to trip. Water loss due to