CPC F24H 9/2021 (2013.01) [F24H 1/202 (2013.01)] | 23 Claims |
1. A water heater comprising:
a tank configured to hold a fluid;
at least one heating element arranged within the tank;
a controller having a memory and an electronic processor; and
a communication port communicatively coupled to the controller, the communication port configured to:
couple to a digital key module and transmit a digital key from the digital key module to the controller; and
connect the water heater to an electrical grid controller,
wherein the controller is configured to activate the at least one heating element only after the water heater has connected to the electrical grid controller and the controller has received the digital key.
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