Product Information: The expansion vessel is a small tank that is utilised to protect heating systems from excessive pressure. The expansion vessel is filled with air that acts as a cushion against surges in pressure within the system.
This part is present in 67 different boilers in the Vaillant range including the Vaillant TURBOmax PLUS (2001-2002), TURBOmax PRO (2002-2008), TURBOmax PLUS (2002-2008), TURBOmax PLUS (2000-2001), TURBOmax PLUS (2001-2002).