sensor:
  - platform: rest 
    name: watermeter 
    json_attributes: 
      - waterflow 
      - waterquantity 
    resource: http://192.168.10.137/water.html

template:
  - sensor: 
      name: "Watermeter Flow" 
      state: '{{states.sensor.watermeter.attributes["waterflow"] }}' 
      state_class: "measurement" 
      unit_of_measurement: "l/m" 
      icon: "mdi:water-pump" 
  - sensor: 
      name: "Watermeter Quantity" 
      state: '{{states.sensor.watermeter.attributes["waterquantity"] }}' 
      state_class: "measurement" 
      unit_of_measurement: "l" 
      icon: "mdi:water"
  - sensor:
      - name: watermeter_toonwater
        unique_id: watermeter_toonwater
        device_class: water
        unit_of_measurement: "m³"
        state: >- 
           {{states.sensor.watermeter.attributes["waterquantity"] |float /1000}}
        state_class: total_increasing

utility_meter:
  hourly_water:
    source: sensor.watermeter_quantity
    cycle: hourly
    name: Hourly Water
  daily_water:
    source: sensor.watermeter_quantity
    cycle: daily
    name: Daily Water
  monthly_water:
    source: sensor.watermeter_quantity
    cycle: monthly
    name: Monthly Water