Automatic filling production line

The embodiment of the utility model provides an automatic filling production line and a gas water heater. The automatic filling production line comprises a turntable device, a plurality of filling devices and a plurality of filling devices, wherein the turntable device is provided with a plurality of turntable stations for placing bottle bodies; the conveying belt device is provided with a plurality of conveying belt stations used for placing the bottle bodies, and a plurality of operation stations are arranged in the conveying direction of the conveying belt device, so that the bottle bodies complete corresponding operation when passing through the different operation stations; and the transferring device comprises a grabbing assembly and a transferring driving assembly, and the transferring driving assembly is used for driving the grabbing assembly to move so as to grab the bottle bodies on the rotating disc station to the conveying belt station. The automatic filling production line can have a basis for re