190728 Pressure Relief Valve

Vaillant 190728 Pressure Relief Valve

This part fits the following:

Vaillant ECOmax 824/2 E (2001-2007)
and Vaillant ECOmax 828/2 E (2001-2007)
with Vaillant ECOmax 835 E (2002-2008)
plus Vaillant VUW 246/2-C (2001-2007)
fits Vaillant VUW 286/2-C (2001-2007)
and Vaillant VUW 356-C (2002-2008)

The pressure relief valve helps to decrease pressure build up within a closed system.

It is set to vent as pressure increases to prevent a dangerously high pressure build up within the system.