Index: sources/gui/qml/pages/disinfect/DisinfectStack.qml
===================================================================
diff -u -rc70ae33e19c08779ce89e2f1728f2d1af7b5c100 -rd6ffc1a51ee7f9188c055ea5d3160c8aded861d7
--- sources/gui/qml/pages/disinfect/DisinfectStack.qml	(.../DisinfectStack.qml)	(revision c70ae33e19c08779ce89e2f1728f2d1af7b5c100)
+++ sources/gui/qml/pages/disinfect/DisinfectStack.qml	(.../DisinfectStack.qml)	(revision d6ffc1a51ee7f9188c055ea5d3160c8aded861d7)
@@ -32,21 +32,23 @@
 
     property int stackStepIndex : 1
 
-    readonly property string disinfectTitle : qsTr("Disinfection")
-    readonly property string flushTitle     : qsTr("Water Flush")
-    readonly property string heatTitle      : qsTr("Heat Disinfect")
-    readonly property string chemicalTitle  : qsTr("Chemical Disinfect")
-    readonly property string chemFlushTitle : qsTr("Chemical Flush")
-    readonly property string roPermeateTitle: qsTr("RO Permeate Sample")
+    readonly property string disinfectTitle  : qsTr("Disinfection")
+    readonly property string flushTitle      : qsTr("Water Flush")
+    readonly property string heatActiveTitle : qsTr("Heat Disinfect with Active Cool")
+    readonly property string chemicalTitle   : qsTr("Chemical Disinfect")
+    readonly property string chemFlushTitle  : qsTr("Chemical Flush")
+    readonly property string roPermeateTitle : qsTr("RO Permeate Sample")
+    readonly property string heatPassiveTitle: qsTr("Heat Disinfect")
 
-    function doDisinfectFlush       () { vDisinfectAdjustDisinfect.doDisinfectFlush     (); page( _disinfectFlush       )}
-    function doDisinfectHeat        () { vDisinfectAdjustDisinfect.doDisinfectHeat      (); page( _disinfectHeat        )}
-    function doDisinfectChemical    () { vDisinfectAdjustDisinfect.doDisinfectChemical  (); page( _disinfectChemical    )}
-    function doDisinfectChemFlush   () { vDisinfectAdjustDisinfect.doDisinfectChemFlush (); page( _disinfectChemFlush   )}
-    function doDisinfectROPermeate  () { vDisinfectAdjustDisinfect.doDisinfectROPermeate(); page( _disinfectROPermeate  )}
+    function doDisinfectFlush           () { vDisinfectAdjustDisinfect.doDisinfectFlush           (); page( _disinfectFlush             )}
+    function doDisinfectHeatActiveCool  () { vDisinfectAdjustDisinfect.doDisinfectHeatActiveCool  (); page( _disinfectHeatActiveCool    )}
+    function doDisinfectChemical        () { vDisinfectAdjustDisinfect.doDisinfectChemical        (); page( _disinfectChemical          )}
+    function doDisinfectChemFlush       () { vDisinfectAdjustDisinfect.doDisinfectChemFlush       (); page( _disinfectChemFlush         )}
+    function doDisinfectROPermeate      () { vDisinfectAdjustDisinfect.doDisinfectROPermeate      (); page( _disinfectROPermeate        )}
+    function doDisinfectHeatPassiveCool () { vDisinfectAdjustDisinfect.doDisinfectHeatPassiveCool (); page( _disinfectHeatPassiveCool   )}
 
-    function doDisinfectBack        () { vDisinfectAdjustDisinfect.doDisinfectClear     (); page ( _disinfectHome       )}
-    function doDisinfectConfirm     () { vDisinfectAdjustDisinfect.doDisinfectConfirm   ();                              }
+    function doDisinfectBack            () { vDisinfectAdjustDisinfect.doDisinfectClear           (); page( _disinfectHome              )}
+    function doDisinfectConfirm         () { vDisinfectAdjustDisinfect.doDisinfectConfirm         ();                                    }
 
     function doDisplayReasonText    (vPage) {
         if ( vDisinfectAdjustDisinfect.adjustment_Accepted ){ vPage.reasonText = ""                                }
@@ -62,11 +64,12 @@
         TouchGrid {
             property bool isVisible: vAdjustmentInstitutionalRecord.enableChemicalDisinfect
             width           : parent.width / 2
+            itemWidth       : 400
             colCount        : 1
             colSpacing      : 0
-            itemsText       : [ _root.flushTitle    , _root.heatTitle   , _root.chemicalTitle   , _root.chemFlushTitle  , _root.roPermeateTitle ,   ]
-            itemsVisible    : [ true                , true              , isVisible             , isVisible             , true                  ,   ]
-            onItemClicked   : [ doDisinfectFlush    , doDisinfectHeat   , doDisinfectChemical   , doDisinfectChemFlush  , doDisinfectROPermeate ,   ][vIndex]()
+            itemsText       : [ _root.flushTitle    , _root.heatActiveTitle       , _root.chemicalTitle   , _root.chemFlushTitle  , _root.roPermeateTitle ,  _root.heatPassiveTitle     ]
+            itemsVisible    : [ true                , true                        , isVisible             , isVisible             , true                  ,   true                      ]
+            onItemClicked   : [ doDisinfectFlush    , doDisinfectHeatActiveCool   , doDisinfectChemical   , doDisinfectChemFlush  , doDisinfectROPermeate ,   doDisinfectHeatPassiveCool][vIndex]()
         }
         Image { id: _denaliDeviceImage
             anchors.right           : parent.right
@@ -92,10 +95,11 @@
         onConfirmClicked        : doDisinfectConfirm  ()
     }
 
-    DisinfectBase { id          :  _disinfectHeat
-        objectName              : "_disinfectHeat"
-        header.stepNames        : [ _root.disinfectTitle ,  _root.heatTitle ]
-        title.text              :                           _root.heatTitle
+    DisinfectBase { id          :  _disinfectHeatActiveCool
+        objectName              : "_disinfectHeatActiveCool"
+        header.stepLineLength   : 200
+        header.stepNames        : [ _root.disinfectTitle ,  _root.heatActiveTitle ]
+        title.text              :                           _root.heatActiveTitle
         instructionBased        : true
         header.backVisible      : true
         header.confirmVisible   : true
@@ -136,19 +140,31 @@
         onConfirmClicked        : doDisinfectConfirm  ()
     }
 
+    DisinfectBase { id          :  _disinfectHeatPassiveCool
+        objectName              : "_disinfectHeatPassiveCool"
+        header.stepNames        : [ _root.disinfectTitle ,  _root.heatPassiveTitle ]
+        title.text              :                           _root.heatPassiveTitle
+        instructionBased        : true
+        header.backVisible      : true
+        header.confirmVisible   : true
+        onBackClicked           : doDisinfectBack     ()
+        onConfirmClicked        : doDisinfectConfirm  ()
+    }
+
     // ----- Navigation
     Connections { target: vHDOperationMode
         function onStandbyWaitDisinfectChanged                    ( vValue ) { page( _disinfectHome    , vValue        )} // initialItem
     }
 
     // ----- Responses
     Connections { target:  vDisinfectAdjustDisinfect
-        function onAdjustment_DisinfectModeTriggered              ( vValue ) { doDisplayReasonText( _disinfectHome      )}
-        function onAdjustment_DisinfectStartFlushTriggered        ( vValue ) { doDisplayReasonText( _disinfectFlush     )}
-        function onAdjustment_DisinfectStartHeatTriggered         ( vValue ) { doDisplayReasonText( _disinfectHeat      )}
-        function onAdjustment_DisinfectStartChemicalTriggered     ( vValue ) { doDisplayReasonText( _disinfectChemical  )}
-        function onAdjustment_DisinfectStartChemFlushTriggered    ( vValue ) { doDisplayReasonText( _disinfectChemFlush )}
-        function onAdjustment_DisinfectStartROPermeateTriggered   ( vValue ) { doDisplayReasonText( _disinfectROPermeate)}
+        function onAdjustment_DisinfectModeTriggered              ( vValue ) { doDisplayReasonText( _disinfectHome           )}
+        function onAdjustment_DisinfectStartFlushTriggered        ( vValue ) { doDisplayReasonText( _disinfectFlush          )}
+        function onAdjustment_DisinfectStartHeatTriggered         ( vValue ) { doDisplayReasonText( _disinfectHeatActiveCool )}
+        function onAdjustment_DisinfectStartChemicalTriggered     ( vValue ) { doDisplayReasonText( _disinfectChemical       )}
+        function onAdjustment_DisinfectStartChemFlushTriggered    ( vValue ) { doDisplayReasonText( _disinfectChemFlush      )}
+        function onAdjustment_DisinfectStartROPermeateTriggered   ( vValue ) { doDisplayReasonText( _disinfectROPermeate     )}
+        function onAdjustment_DisinfectStartHeatPassiveTriggered  ( vValue ) { doDisplayReasonText( _disinfectHeatPassiveCool)}
     }
 
     onVisibleChanged: {