Emcotec Fueling Valve Black A90083-2614Emcotec Fueling Valve Black A90083 2614 This shapely fueling valve made from massive aluminum (colored anodized) allows for clean fueling of models without gas reflux. For fueling simply put the filler neck (plastic pipe) into the fueling valve. This releases the non return valve allowing unrestricted flow of gas. Remove the filler neck after fueling. The valve closes automatically. The fueling valves can be used for filling as well as emptying the