vaso expansion caldera vaillant 181022 ranco Moving air heating

Moving air heating

HBG43T420/01 H

91490820600 FWG7121K

Inlet: ø 24mm

Pasador de bloqueo roto o sin recuperación

vaso expansion caldera vaillant 181022 ranco Moving air heatingThe 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