Dual-signal detection gas heating water heater

The utility model discloses a gas heating water heater with a double-signal detection function. The gas heating water heater comprises a main controller, a water heater body, an air pressure detection assembly and an air speed detection assembly. A draught fan and a smoke exhaust channel are arranged above the water heater body, the draught fan is installed in the smoke exhaust channel, one end of the smoke exhaust channel is communicated with the water heater body, and the other end of the smoke exhaust channel is communicated to the outside. The main controller and the wind speed detection assembly are both installed in the water heater body. The wind speed detection assembly is used for detecting a wind speed value or a smoke flow value in the smoke exhaust channel to the main controller; the air pressure detection assembly is used for detecting the rotating speed of the fan and sending an air pressure value to the main controller; the main controller is used for controlling starting and stopping of the wa