VAILLANT ECO TEC PLUS 612 ERP BOILER. VAILLANT ECO TEC PLUS 615 ERP BOILER. VAILLANT ECO TEC PLUS 618 ERP BOILER. VAILLANT ECO TEC PLUS 624 ERP BOILER. VAILLANT ECO TEC PLUS 630 ERP BOILER. The item may be a factory second, or a new and unused item with minor defects.
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