VAILLANT ECOTEC PLUS 824 831 & PRO 28 28R1 PLATE HEAT EXCHANGER 0020038572
VAILLANT ECOTEC PLUS 824 831 & PRO 28 28RI PLATE HEAT EXCHANGER 0020038572, this is a used item removed from a fully working boiler. Feel free to ask any questions. Thanks for looking.