tuya-local/custom_components/tuya_local/devices/silvercrest_kettle.yaml

name: Silvercrest kettle
products:
  - id: il4ofqon04yai1xe
    name: WK0828RT
primary_entity:
  entity: water_heater
  icon: "mdi:kettle"
  dps:
    - id: 1
      type: boolean
      name: operation_mode
      mapping:
        - dps_val: false
          value: "Off"
        - dps_val: true
          constraint: warm
          conditions:
            - dps_val: true
              value: Keep warm
            - dps_val: false
              value: Boil
            - value: Boil
    - id: 2
      type: integer
      name: current_temperature
    - id: 8
      type: integer
      name: temperature
      unit: C
      range:
        min: 40
        max: 100
      mapping:
        - step: 5
    - id: 13
      type: boolean
      name: warm
      optional: true
      hidden: true
      # One of these unknowns should be the "16 preset programs". Both are numeric strings (so probably enums)
    - id: 15
      type: string
      name: unknown_15
    - id: 16
      type: string
      name: unknown_16
    - id: 103
      type: boolean
      name: unknown_103
    - id: 104
      type: integer
      name: unknown_104
secondary_entities:
  # Portal docs say there is a number to set, and also a countdown remaining.
  # This might be the remaining (log was 5, which is not a 30 minute step)
  # with the other unknown string above a 0/30/60/90/120 selection
  - entity: number
    name: Warm time
    category: config
    icon: "mdi:timer"
    dps:
      - id: 14
        type: integer
        name: value
        unit: min
        optional: true
        range:
          min: 0
          max: 120
        mapping:
          - step: 30
  - entity: sensor
    name: Time remaining
    class: duration
    category: diagnostic
    dps:
      - id: 18
        type: integer
        name: sensor
        unit: min
        optional: true