domestic_hot_water
The domestic_hot_water element is a child of the systems element. You can only submit one instance of the domestic_hot_water element.
Notes
The category element can only be set to combined if the heating/type is boiler and the boiler provides the domestic hot water.
The type element can only be set to indirect or tankless_coil if category is set to combined.
The fuel_primary, efficiency_method and year elements are only used if type is set to storage or heat_pump.
The type element determines possible values and ranges of the other elements in domestic_hot_water as follows