The water loop element id for the hot-water heating coil.

Namespace: Autodesk.Revit.DB.Mechanical
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since: 2020.1

Syntax

C#
`public ElementId HotWaterLoopId { get; set; }`

Visual Basic
`Public Property HotWaterLoopId As ElementId Get Set`

Visual C++
`public: property ElementId^ HotWaterLoopId { ElementId^ get (); void set (ElementId^ value); }`

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions ArgumentNullException	When setting this property: A non-optional argument was NULL