Vaillant DHW heat exchanger (20 plates) 178973.
Models this fits
Vaillant ecoTEC PLUS 824
Vaillant ecoTEC PLUS 831
Vaillant ecoTEC PLUS 837
Vaillant VUW 246/3-5 (2005-2005)
Vaillant VUW 246/3-5 R1 (2005-2010)
Vaillant VUW 316/3-5 (2005-2005)
Vaillant VUW 316/3-5 R1 (2005-2010)
Order before 2.30pm for next working day delivery (orders placed after 2.30pm will be processed the following working day). Please note if you have ordered an item which is listed as next day delivery with an item which has a longer lead time they will be sent together at the longer lead time.