Commercial circulating water heater with anti-freezing function

The utility model discloses a commercial circulating water heater with an anti-freezing function, which belongs to the technical field of water heaters and comprises a water heater main body and a box body, a heat insulation sleeve is assembled on the surface of the water heater main body, the box body is in bolted connection with one side of the water heater main body, and an anti-freezing mechanism is arranged in an inner cavity of the box body. The anti-freezing mechanism comprises a homogenizing assembly and a heating assembly, a heating box is bolted to the bottom of the box body, a pipeline is assembled on one side of the water heater body, the end, away from the water heater body, of the pipeline penetrates through the box body and extends outwards, a motor is assembled on the back face of an inner cavity of the box body, and a first rotating shaft is bolted to an output shaft of the motor. The surface of the first rotating shaft is in bolted connection with a rotating disc, and one side of the rotatin