VAILLANT ECOTEC PLUS 824 831 837 KESSEL-ABGASSENSOR ODER THERMOLINK (F76 FEHLER)
Will fit: VAILLANT ECOTEC PLUS 824 BOILER. VAILLANT ECOTEC PLUS 831 BOILER. VAILLANT ECOTEC PLUS 837 BOILER. Ending Soon. Useful Link. Products will not be covered if misused or not serviced as per maintenance instructions.