A vaporizer assembly for an e-vaping device, the vaporizer assembly comprising: a heating element; a conduit assembly including one or more inner surfaces defining a conduit extending through an interior of the conduit assembly, such that the conduit assembly is configured to direct air to flow through the conduit in fluid communication with the heating element; and a dispensing interface assembly configured to be in fluid communication with both the conduit and a reservoir holding pre-vapor formulation, the dispensing interface assembly configured to supply a limited amount of the pre-vapor formulation from the reservoir to the heating element, the dispensing interface assembly including a first dispensing interface and a second dispensing interface, the first dispensing interface extending through the conduit and coupled to the heating element within the conduit such that the first dispensing interface is in direct fluid communication with the conduit and the heating element, a portion of the second dispensing interface exposed to an exterior of the vaporizer assembly such that the second dispensing interface is configured to be in direct fluid communication with the reservoir via the portion of the second dispensing interface, the second dispensing interface isolated from direct fluid communication with the heating element by the first dispensing interface, the first dispensing interface isolated from direct fluid communication with the reservoir by the second dispensing interface, wherein the second dispensing interface is configured to restrict a flow of pre-vapor formulation from the reservoir to the first dispensing interface, wherein the first dispensing interface is configured to support a first maximum flow rate of pre-vapor formulation through the internal structure of the first dispensing interface, wherein the second dispensing interface is configured to support a second maximum flow rate of pre-vapor formulation through the internal structure of the second dispensing interface, and wherein the magnitude of the second maximum flow rate is equal to or less than 50 percent of the magnitude of the first maximum flow rate. a heating element; a conduit assembly including one or more inner surfaces defining a conduit extending through an interior of the conduit assembly, such that the conduit assembly is configured to direct air to flow through the conduit in fluid communication with the heating element; and a dispensing interface assembly configured to be in fluid communication with both the conduit and a reservoir holding pre-vapor formulation, the dispensing interface assembly configured to supply a limited amount of the pre-vapor formulation from the reservoir to the heating element, the dispensing interface assembly including a first dispensing interface and a second dispensing interface, the first dispensing interface extending through the conduit and coupled to the heating element within the conduit such that the first dispensing interface is in direct fluid communication with the conduit and the heating element, a portion of the second dispensing interface exposed to an exterior of the vaporizer assembly such that the second dispensing interface is configured to be in direct fluid communication with the reservoir via the portion of the second dispensing interface, the second dispensing interface isolated from direct fluid communication with the heating element by the first dispensing interface, the first dispensing interface isolated from direct fluid communication with the reservoir by the second dispensing interface, wherein the second dispensing interface is configured to restrict a flow of pre-vapor formulation from the reservoir to the first dispensing interface, wherein the first dispensing interface is configured to support a first maximum flow rate of pre-vapor formulation through the internal structure of the first dispensing interface, wherein the second dispensing interface is configured to support a second maximum flow rate of pre-vapor formulation through the internal structure of the second dispensing interface, and wherein the magnitude of the second maximum flow rate is equal to or less than 50 percent of the magnitude of the first maximum flow rate.