core/homeassistant/components/nuheat/strings.json

{
  "title": "NuHeat",
  "config": {
    "error": {
      "unknown": "Unexpected error",
      "cannot_connect": "Failed to connect, please try again",
      "invalid_auth": "Invalid authentication",
      "invalid_thermostat": "The thermostat serial number is invalid."
    },
    "abort": {
      "already_configured": "The thermostat is already configured"
    },
    "step": {
      "user": {
        "title": "Connect to the NuHeat",
        "description": "You will need to obtain your thermostat’s numeric serial number or ID by logging into https://MyNuHeat.com and selecting your thermostat(s).",
        "data": {
          "username": "Username",
          "password": "Password",
          "serial_number": "Serial number of the thermostat."
        }
      }
    }
  }
}