core/homeassistant/components/aseko_pool_live/icons.json

{
  "entity": {
    "binary_sensor": {
      "water_flow": {
        "default": "mdi:waves-arrow-right"
      }
    },
    "sensor": {
      "free_chlorine": {
        "default": "mdi:flask"
      },
      "water_temperature": {
        "default": "mdi:coolant-temperature"
      }
    }
  }
}