diff --git a/luxtronik/definitions/calculations.py b/luxtronik/definitions/calculations.py
index a35b17ba..bd52bfe9 100644
--- a/luxtronik/definitions/calculations.py
+++ b/luxtronik/definitions/calculations.py
@@ -2638,6 +2638,16 @@
         "unit": '',
         "description": '',
     },
+    {
+        "index": 252,
+        "count": 1,
+        "names": ['ID_WEB_Temperatur_THG_max'],
+        "type": Celsius,
+        "writeable": False,
+        "datatype": 'UINT32',
+        "unit": '',
+        "description": 'TODO: Provisional new description based on #180',
+    },
     {
         "index": 252,
         "count": 1,
@@ -2714,6 +2724,22 @@
         "unit": '',
         "description": '',
     },
+    {
+        "index": 259,
+        "count": 1,
+        "names": ['cooling_active'],
+        "type": Bool,
+        "writeable": False,
+        "datatype": 'UINT32',
+        "unit": '',
+        "description": (
+            "Pin 9 on the main board. "
+            "Signal to the room thermostat to switch between heating and cooling. "
+            "If the expansion board is installed, "
+            "this signal comes from calculation 140 `ID_WEB_FP3out`.\n\n"
+            "TODO: Provisional new description based on #180"
+        )
+    },
     {
         "index": 259,
         "count": 1,
@@ -2724,6 +2750,19 @@
         "unit": '',
         "description": '',
     },
+    {
+        "index": 260,
+        "count": 1,
+        "names": ['ID_WEB_Time_ena_cooling'],
+        "type": Seconds,
+        "writeable": False,
+        "datatype": 'UINT32',
+        "unit": '',
+        "description": (
+            "Time in seconds until cooling is enabled\n\n"
+            "TODO: Provisional new description based on #180"
+        )
+    },
     {
         "index": 260,
         "count": 1,
diff --git a/tests/test_compatibility.py b/tests/test_compatibility.py
index 100aaf5f..52626f19 100644
--- a/tests/test_compatibility.py
+++ b/tests/test_compatibility.py
@@ -1617,6 +1617,10 @@ def test_compatibilities(self):
             "Unknown_Calculation_272": (272, Unknown),
             "Unknown_Calculation_273": (273, Unknown),
             "Unknown_Calculation_274": (274, Unknown),
+            # New in 'main' branch (after next release):
+            "ID_WEB_Temperatur_THG_max": (252, Celsius),
+            "cooling_active": (259, Bool),
+            "ID_WEB_Time_ena_cooling": (260, Seconds),
         }
 
         visis = {