Gas water heater

The utility model discloses a gas water heater, and relates to the technical field of water heaters, the gas water heater comprises a low nitrogen combustion device, which comprises a combustion device shell assembly and a plurality of low nitrogen combustion fire grates arranged in the combustion device shell assembly; the smoke exhaust device is arranged above the low-nitrogen combustion deviceand comprises a smoke exhaust cavity and a fan assembly arranged at the smoke exhaust end of the smoke exhaust cavity; the heat exchange device is arranged between the low-nitrogen combustion device and the smoke exhaust device and comprises a smoke exhaust connecting end connected with the smoke inlet end of the upper smoke exhaust cavity in a sealed mode and a combustor connecting end connectedwith the lower combustion device shell in a sealed mode. The gas water heater is simple and reasonable in structure, good in sealing performance and low in noise and nitrogen oxide emission. 本实用新型公开了一种燃气热水器，涉及热水器技术领域，燃气热水器包括：低