A beverage dispensing system, has: a reservoir; a line connected to the reservoir; a tap connected to the line; a first valve connected to the line downstream of the reservoir, the first valve having a first open configuration and a first closed configuration; and a second valve connected to the line, the second valve having a second open configuration and a second closed configuration, the second valve being in the second closed configuration when the first valve is in the first closed configuration, when in the second closed configuration, the second valve blocking fluid communication between the tap outlet and the first valve, the second valve being in the second open configuration when the first valve is in the first open configuration to connect the reservoir to the tap outlet through the first valve and the second valve.