We had some rain that blew sideways yesterday and tripped our outdoor GFCI which is connected to our tankless gas water heater. The orange light is showing and we can’t reset the outlet. I’ve turned off the main breaker feed to the water heater to avoid any more damage. We are shivering in our showers and need a solution.
Model for water heater: Takagi AT-K5U-OS-N at AC 120v