Vaillant 190727 pressure relief valve

The pressure relief valve helps to decrease pressure build up within a heating system. It is set to proportionally react to increasing pressure in the system to prevent pressure causing the system to malfunction or break.

This part is present in 5 different boilers in the Vaillant range including the Vaillant ECOmax 824 , ECOmax 828 , VUW 246 E-C , VUW 286 E-C , TURBOmax PLUS (2001-2002).