diff --git a/AixLib/Fluid/HeatPumps/HeatPumpSimple.mo b/AixLib/Fluid/HeatPumps/HeatPumpSimple.mo
index d408c43322..744e8d2dba 100644
--- a/AixLib/Fluid/HeatPumps/HeatPumpSimple.mo
+++ b/AixLib/Fluid/HeatPumps/HeatPumpSimple.mo
@@ -62,7 +62,7 @@ model HeatPumpSimple
     "Table matrix (grid u1 = first column, grid u2 = first row; e.g., table=[0,0;0,1])";
   parameter Real tableHeatFlowCondenser[:, :] = fill(0.0, 0, 2)
     "Table matrix (grid u1 = first column, grid u2 = first row; e.g., table=[0,0;0,1])";
-  Modelica.Blocks.Math.Gain gain(k=-10000000)
+  Modelica.Blocks.Math.Gain gain(k=-1)
                                          annotation(Placement(transformation(extent = {{-18, -60}, {-38, -40}})));
 equation
   connect(temperatureSourceIn.port_a, port_a_source) annotation(Line(points = {{-80, 46}, {-80, 70}, {-90, 70}}, color = {0, 127, 255}));
diff --git a/AixLib/package.mo b/AixLib/package.mo
index 6c81ca5b8c..f17aa5423f 100644
--- a/AixLib/package.mo
+++ b/AixLib/package.mo
@@ -16,7 +16,7 @@ package AixLib
     Modelica_DeviceDrivers(version="1.4.4"),
     Modelica_Synchronous(version="0.92.1"),
     NcDataReader2(version="2.4.0")),
-  version = "0.7.2",
+  version = "0.7.3",
   conversion(from(
     version="0.3.2", script="modelica://AixLib/Resources/Scripts/ConvertAixLib_from_0.3.2_to_0.4.mos",
     version="0.5.0", script="modelica://AixLib/Resources/Scripts/ConvertAixLib_from_0.5.0_to_0.5.1.mos",