diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68744d125..04a8aa729 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 - PR [337](https://github.com/plugwise/python-plugwise-usb/pull/337): Improve node removal, remove and reset the node as executed by Source, and remove the cache-file.
 - PR [342](https://github.com/plugwise/python-plugwise-usb/pull/342): Improve node_type chaching.
 - PR [343](https://github.com/plugwise/python-plugwise-usb/pull/343): Improve writing of cache-files.
+- PR [344](https://github.com/plugwise/python-plugwise-usb/pull/344): Don't store plus-device in nodetypes cache
 
 ## 0.46.0 - 2025-09-12
 
diff --git a/plugwise_usb/network/cache.py b/plugwise_usb/network/cache.py
index 06e672ccb..ade46b712 100644
--- a/plugwise_usb/network/cache.py
+++ b/plugwise_usb/network/cache.py
@@ -27,7 +27,9 @@ def nodetypes(self) -> dict[str, NodeType]:
     async def save_cache(self) -> None:
         """Save the node information to file."""
         cache_data_to_save: dict[str, str] = {
-            mac: node_type.name for mac, node_type in self._nodetypes.items()
+            mac: node_type.name
+            for mac, node_type in self._nodetypes.items()
+            if node_type.value > 1
         }
         _LOGGER.debug("Save NodeTypes for %s Nodes", len(cache_data_to_save))
         await self.write_cache(
@@ -55,7 +57,7 @@ async def restore_cache(self) -> None:
                 except ValueError:
                     node_type = None
 
-            if node_type is None:
+            if node_type in (None, NodeType.CIRCLE_PLUS):
                 _LOGGER.warning(
                     "Invalid NodeType in cache for mac %s: %s", mac, node_value
                 )
diff --git a/tests/test_usb.py b/tests/test_usb.py
index fae43238c..59ce895f3 100644
--- a/tests/test_usb.py
+++ b/tests/test_usb.py
@@ -1711,9 +1711,7 @@ async def makedirs(cache_dir: str, exist_ok: bool) -> None:
         mock_file_stream = MagicMock(readlines=lambda *args, **kwargs: file_chunks_iter)
         with patch("aiofiles.threadpool.sync_open", return_value=mock_file_stream):
             await pw_nw_cache.restore_cache()
-            assert pw_nw_cache.nodetypes == {
-                "0123456789ABCDEF": pw_api.NodeType.CIRCLE_PLUS,
-            }
+            assert pw_nw_cache.nodetypes == {}
 
         # test with valid data
         mock_read_data = [
@@ -1726,7 +1724,6 @@ async def makedirs(cache_dir: str, exist_ok: bool) -> None:
         with patch("aiofiles.threadpool.sync_open", return_value=mock_file_stream):
             await pw_nw_cache.restore_cache()
             assert pw_nw_cache.nodetypes == {
-                "0123456789ABCDEF": pw_api.NodeType.CIRCLE_PLUS,
                 "FEDCBA9876543210": pw_api.NodeType.CIRCLE,
                 "1298347650AFBECD": pw_api.NodeType.SCAN,
             }
@@ -1738,14 +1735,12 @@ async def makedirs(cache_dir: str, exist_ok: bool) -> None:
             )
             mock_file_stream.writelines.assert_called_with(
                 [
-                    "0123456789ABCDEF;CIRCLE_PLUS\n",
                     "FEDCBA9876543210;CIRCLE\n",
                     "1298347650AFBECD;SCAN\n",
                     "1234ABCD4321FEDC;STEALTH\n",
                 ]
             )
         assert pw_nw_cache.nodetypes == {
-            "0123456789ABCDEF": pw_api.NodeType.CIRCLE_PLUS,
             "FEDCBA9876543210": pw_api.NodeType.CIRCLE,
             "1298347650AFBECD": pw_api.NodeType.SCAN,
             "1234ABCD4321FEDC": pw_api.NodeType.STEALTH,