Quickly connected water heater module

The utility model discloses a quickly connected water heater module which comprises a first water heater module and a second water heater module, wherein a water inlet pipe is connected with the first water heater module and is connected with the second water heater module via a water inlet pipe connecting mechanism, a heat exchange pipeline of the second water heater module is connected with a second confluence pipe, the second confluence pipe is connected with a first confluence pipe via a confluence pipe connecting mechanism, and a confluence pipe of the first water heater module is connected with a water outlet pipe. The quickly connected water heater module comprises two or more water heater modules and can be conveniently spliced or removed through the water inlet pipe connecting structure and the confluence pipe connecting structure.