Vaillant Expansion Vessel

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The expansion vessel is a small chamber that is used to protect closed water heating systems from pressure surges. The expansion vessel is filled with air that acts as a cushion against pressure surges within the system.

This Part Fits: 

Vaillant ECOmax 613 (2000-2001)

Vaillant ECOmax 613/2 E (2001-2007)

Vaillant ECOmax 618 (2000-2001)

Vaillant ECOmax 618/2 E (2001-2007)

Vaillant ECOmax 622 (2000-2001)

Vaillant ECOmax 622/2 E (2001-2007)

Vaillant ECOmax 635 (2004-2008)

Vaillant ECOmax 635 E (2004-2008)

Vaillant ECOmax 824 (1999-2001)

Vaillant ECOmax 824/2 E (2001-2007)

Vaillant ECOmax 828 (1999-2001)

Vaillant ECOmax 828/2 E (2001-2007)

Vaillant ECOmax 835 E (2002-2008)

Vaillant ecoTEC exclusive 832 (2007-201

Vaillant VU 126 E-C (2000-2001)

Vaillant VU 126/2-C (2001-2007)

Vaillant VU 186/2-C (2001-2007)

Vaillant VU 196 E-C (2000-2001)

Vaillant VU 226/2-C (2001-2007)

Vaillant VU 246 E-C (2000-2001)

Vaillant VU 356/2-C (2006-2008)

Vaillant VU 356-C (2004-2008)

Vaillant VUW 246 E-C (1999-2001)

Vaillant VUW 246/2-C (2001-2007)

Vaillant VUW 286 E-C (1999-2001)

Vaillant VUW 286/2-C (2001-2007)

Vaillant VUW 326/4-E (2007-2010)

Vaillant VUW 356-C (2002-2008)