Domestic quick acting water heater using as as fuel

The utility model belongs to the technical field of the production of burnt gas appliances, which is characterized in that each nozzle is provided with an airflow regulating piece which is provided with a handle and a plurality of ventilating holes, and a baffle plate arranged on the injection end of each nozzle is also provided with a plurality of ventilating holes. The air inlet quantity can be regulated by poking the airflow regulating piece. When the utility model is in the best state, the airflow regulating piece is tightly fixed by nuts. The utility model overcomes the problem that the phenomena of backfire, bell burst, flameout, etc., frequently happen in the existing water heater. The carbon monoxide contents in the smoke gas are also lower than the national standard.