This Vaillant 0020132764 Printed Circuit Board is a spare part for Vaillant Ecotec boilers. It is suitable for models such as the EcoTEC Plus 824, 831, 837, 937 Pro 24, and 28. Please ensure that this part is fitted by a certified Gas Safe engineer. Orders placed before 4pm are typically dispatched for next business day delivery. Please note that this boiler part is non-returnable. Always check the year of your boiler before ordering to ensure compatibility.