Vaillant 179030 filter

A filter for the pipework of Vaillant's Guernsey/Jersey only (condensing), ecoFIT VUW (condensing), ecoTEC VU (condensing), ecoTEC VUW (condensing), Home (condensing) and ecoTEC VUI (condensing) boilers. In a boiler pipework either allows water into a heating unit, including the mains water supply and the pipework on a wall jig, or is found within an appliance and carries water between the various mechanisms that require it, including the diverter valve and heat exchanger.