diff --git a/infra/grafana/garage_decke.json b/infra/grafana/garage_decke.json
index d4cbb17ee..c36171e7f 100644
--- a/infra/grafana/garage_decke.json
+++ b/infra/grafana/garage_decke.json
@@ -9,7 +9,7 @@
   ],
   "timezone": "browser",
   "schemaVersion": 39,
-  "version": 11,
+  "version": 12,
   "refresh": "30s",
   "panels": [
     {
@@ -425,6 +425,318 @@
         }
       ]
     },
+    {
+      "id": 7,
+      "type": "stat",
+      "title": "ΔT Kältedecke",
+      "description": "Wärmeaufnahme Kältedecke = Rücklauf (warm) − Vorlauf (kalt). Flussrichtung tauscht Zuordnung der fest montierten Fühler.",
+      "gridPos": {
+        "h": 4,
+        "w": 8,
+        "x": 0,
+        "y": 4
+      },
+      "datasource": {
+        "type": "influxdb",
+        "uid": "ffptl25vzylfke"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "unit": "celsius",
+          "decimals": 2,
+          "color": {
+            "mode": "thresholds",
+            "fixedColor": "green"
+          },
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "red",
+                "value": null
+              },
+              {
+                "color": "orange",
+                "value": 0.5
+              },
+              {
+                "color": "yellow",
+                "value": 1.5
+              },
+              {
+                "color": "green",
+                "value": 2.5
+              }
+            ]
+          }
+        }
+      },
+      "options": {
+        "reduceOptions": {
+          "values": false,
+          "calcs": [
+            "lastNotNull"
+          ]
+        },
+        "orientation": "auto",
+        "textMode": "auto",
+        "colorMode": "background",
+        "graphMode": "area",
+        "justifyMode": "auto"
+      },
+      "targets": [
+        {
+          "refId": "A",
+          "datasource": {
+            "type": "influxdb",
+            "uid": "ffptl25vzylfke"
+          },
+          "query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='rl_klimadecke' AND $timeFilter",
+          "rawQuery": true,
+          "hide": true
+        },
+        {
+          "refId": "B",
+          "datasource": {
+            "type": "influxdb",
+            "uid": "ffptl25vzylfke"
+          },
+          "query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_kaeltedecke' AND $timeFilter",
+          "rawQuery": true,
+          "hide": true
+        },
+        {
+          "refId": "RL",
+          "datasource": {
+            "type": "__expr__",
+            "uid": "__expr__",
+            "name": "Expression"
+          },
+          "type": "math",
+          "expression": "($A + $B - ${kd_flussrichtung} * ($B - $A)) / 2",
+          "hide": true
+        },
+        {
+          "refId": "VL",
+          "datasource": {
+            "type": "__expr__",
+            "uid": "__expr__",
+            "name": "Expression"
+          },
+          "type": "math",
+          "expression": "($A + $B + ${kd_flussrichtung} * ($B - $A)) / 2",
+          "hide": true
+        },
+        {
+          "refId": "DT",
+          "datasource": {
+            "type": "__expr__",
+            "uid": "__expr__",
+            "name": "Expression"
+          },
+          "type": "math",
+          "expression": "$RL - $VL",
+          "hide": false
+        }
+      ]
+    },
+    {
+      "id": 10,
+      "type": "stat",
+      "title": "ΔT Brunnen (RL − VL)",
+      "description": "Temperaturhub Primärkreis am PWT: rl_brunnen minus vl_brunnen.",
+      "gridPos": {
+        "h": 4,
+        "w": 8,
+        "x": 8,
+        "y": 4
+      },
+      "datasource": {
+        "type": "influxdb",
+        "uid": "ffptl25vzylfke"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "unit": "celsius",
+          "decimals": 2,
+          "color": {
+            "mode": "thresholds",
+            "fixedColor": "green"
+          },
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "red",
+                "value": null
+              },
+              {
+                "color": "orange",
+                "value": 0.5
+              },
+              {
+                "color": "yellow",
+                "value": 1.5
+              },
+              {
+                "color": "green",
+                "value": 2.5
+              }
+            ]
+          }
+        }
+      },
+      "options": {
+        "reduceOptions": {
+          "values": false,
+          "calcs": [
+            "lastNotNull"
+          ]
+        },
+        "orientation": "auto",
+        "textMode": "auto",
+        "colorMode": "background",
+        "graphMode": "area",
+        "justifyMode": "auto"
+      },
+      "targets": [
+        {
+          "refId": "A",
+          "datasource": {
+            "type": "influxdb",
+            "uid": "ffptl25vzylfke"
+          },
+          "query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_brunnen' AND $timeFilter",
+          "rawQuery": true,
+          "hide": true
+        },
+        {
+          "refId": "B",
+          "datasource": {
+            "type": "influxdb",
+            "uid": "ffptl25vzylfke"
+          },
+          "query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='rl_brunnen' AND $timeFilter",
+          "rawQuery": true,
+          "hide": true
+        },
+        {
+          "refId": "DT",
+          "datasource": {
+            "type": "__expr__",
+            "uid": "__expr__",
+            "name": "Expression"
+          },
+          "type": "math",
+          "expression": "$B - $A",
+          "hide": false
+        }
+      ]
+    },
+    {
+      "id": 9,
+      "type": "stat",
+      "title": "Leistung Brunnen (Ziel >684 W)",
+      "description": "Q = l/min × ΔT × 0,0698 kW. Benchmark: 684 W (gemessen 3,5 l/min, isolierte Fühler). Grün ab 0,684 kW.",
+      "gridPos": {
+        "h": 4,
+        "w": 8,
+        "x": 16,
+        "y": 4
+      },
+      "datasource": {
+        "type": "influxdb",
+        "uid": "ffptl25vzylfke"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "unit": "kwatt",
+          "decimals": 2,
+          "color": {
+            "mode": "thresholds",
+            "fixedColor": "green"
+          },
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "red",
+                "value": null
+              },
+              {
+                "color": "orange",
+                "value": 0.5
+              },
+              {
+                "color": "yellow",
+                "value": 0.62
+              },
+              {
+                "color": "green",
+                "value": 0.684
+              }
+            ]
+          }
+        }
+      },
+      "options": {
+        "reduceOptions": {
+          "values": false,
+          "calcs": [
+            "lastNotNull"
+          ]
+        },
+        "orientation": "auto",
+        "textMode": "auto",
+        "colorMode": "background",
+        "graphMode": "area",
+        "justifyMode": "auto"
+      },
+      "targets": [
+        {
+          "refId": "A",
+          "datasource": {
+            "type": "influxdb",
+            "uid": "ffptl25vzylfke"
+          },
+          "query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_brunnen' AND $timeFilter",
+          "rawQuery": true,
+          "hide": true
+        },
+        {
+          "refId": "B",
+          "datasource": {
+            "type": "influxdb",
+            "uid": "ffptl25vzylfke"
+          },
+          "query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='rl_brunnen' AND $timeFilter",
+          "rawQuery": true,
+          "hide": true
+        },
+        {
+          "refId": "DT",
+          "datasource": {
+            "type": "__expr__",
+            "uid": "__expr__",
+            "name": "Expression"
+          },
+          "type": "math",
+          "expression": "$B - $A",
+          "hide": true
+        },
+        {
+          "refId": "Q",
+          "datasource": {
+            "type": "__expr__",
+            "uid": "__expr__",
+            "name": "Expression"
+          },
+          "type": "math",
+          "expression": "${brunnen_durchfluss} * $DT * 0.0698",
+          "hide": false
+        }
+      ]
+    },
     {
       "id": 6,
       "type": "timeseries",
@@ -567,411 +879,6 @@
         }
       ]
     },
-    {
-      "id": 7,
-      "type": "stat",
-      "title": "ΔT Kältedecke",
-      "description": "Wärmeaufnahme Kältedecke = Rücklauf (warm) − Vorlauf (kalt). Flussrichtung tauscht Zuordnung der fest montierten Fühler.",
-      "gridPos": {
-        "h": 4,
-        "w": 6,
-        "x": 0,
-        "y": 4
-      },
-      "datasource": {
-        "type": "influxdb",
-        "uid": "ffptl25vzylfke"
-      },
-      "fieldConfig": {
-        "defaults": {
-          "unit": "celsius",
-          "decimals": 2,
-          "color": {
-            "mode": "thresholds",
-            "fixedColor": "green"
-          },
-          "thresholds": {
-            "mode": "absolute",
-            "steps": [
-              {
-                "color": "red",
-                "value": null
-              },
-              {
-                "color": "orange",
-                "value": 0.5
-              },
-              {
-                "color": "yellow",
-                "value": 1.5
-              },
-              {
-                "color": "green",
-                "value": 2.5
-              }
-            ]
-          }
-        }
-      },
-      "options": {
-        "reduceOptions": {
-          "values": false,
-          "calcs": [
-            "lastNotNull"
-          ]
-        },
-        "orientation": "auto",
-        "textMode": "auto",
-        "colorMode": "background",
-        "graphMode": "area",
-        "justifyMode": "auto"
-      },
-      "targets": [
-        {
-          "refId": "A",
-          "datasource": {
-            "type": "influxdb",
-            "uid": "ffptl25vzylfke"
-          },
-          "query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='rl_klimadecke' AND $timeFilter",
-          "rawQuery": true,
-          "hide": true
-        },
-        {
-          "refId": "B",
-          "datasource": {
-            "type": "influxdb",
-            "uid": "ffptl25vzylfke"
-          },
-          "query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_kaeltedecke' AND $timeFilter",
-          "rawQuery": true,
-          "hide": true
-        },
-        {
-          "refId": "RL",
-          "datasource": {
-            "type": "__expr__",
-            "uid": "__expr__",
-            "name": "Expression"
-          },
-          "type": "math",
-          "expression": "($A + $B - ${kd_flussrichtung} * ($B - $A)) / 2",
-          "hide": true
-        },
-        {
-          "refId": "VL",
-          "datasource": {
-            "type": "__expr__",
-            "uid": "__expr__",
-            "name": "Expression"
-          },
-          "type": "math",
-          "expression": "($A + $B + ${kd_flussrichtung} * ($B - $A)) / 2",
-          "hide": true
-        },
-        {
-          "refId": "DT",
-          "datasource": {
-            "type": "__expr__",
-            "uid": "__expr__",
-            "name": "Expression"
-          },
-          "type": "math",
-          "expression": "$RL - $VL",
-          "hide": false
-        }
-      ]
-    },
-    {
-      "id": 8,
-      "type": "stat",
-      "title": "ΔT Brunnen (RL − VL)",
-      "description": "Temperaturhub Brunnenkreis am PWT: rl_brunnen minus vl_brunnen (nach Umbau Tauchhülse aussagekräftig).",
-      "gridPos": {
-        "h": 4,
-        "w": 6,
-        "x": 6,
-        "y": 4
-      },
-      "datasource": {
-        "type": "influxdb",
-        "uid": "ffptl25vzylfke"
-      },
-      "fieldConfig": {
-        "defaults": {
-          "unit": "celsius",
-          "decimals": 2,
-          "color": {
-            "mode": "thresholds",
-            "fixedColor": "green"
-          },
-          "thresholds": {
-            "mode": "absolute",
-            "steps": [
-              {
-                "color": "red",
-                "value": null
-              },
-              {
-                "color": "orange",
-                "value": 0.5
-              },
-              {
-                "color": "yellow",
-                "value": 1.5
-              },
-              {
-                "color": "green",
-                "value": 2.5
-              }
-            ]
-          }
-        }
-      },
-      "options": {
-        "reduceOptions": {
-          "values": false,
-          "calcs": [
-            "lastNotNull"
-          ]
-        },
-        "orientation": "auto",
-        "textMode": "auto",
-        "colorMode": "background",
-        "graphMode": "area",
-        "justifyMode": "auto"
-      },
-      "targets": [
-        {
-          "refId": "RL",
-          "datasource": {
-            "type": "influxdb",
-            "uid": "ffptl25vzylfke"
-          },
-          "query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='rl_brunnen' AND $timeFilter",
-          "rawQuery": true,
-          "hide": true
-        },
-        {
-          "refId": "VL",
-          "datasource": {
-            "type": "influxdb",
-            "uid": "ffptl25vzylfke"
-          },
-          "query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_brunnen' AND $timeFilter",
-          "rawQuery": true,
-          "hide": true
-        },
-        {
-          "refId": "DT",
-          "datasource": {
-            "type": "__expr__",
-            "uid": "__expr__",
-            "name": "Expression"
-          },
-          "type": "math",
-          "expression": "$RL - $VL",
-          "hide": false
-        }
-      ]
-    },
-    {
-      "id": 9,
-      "type": "stat",
-      "title": "Leistung Brunnen (Ziel >684 W)",
-      "description": "Q = l/min × ΔT × 0,0698 kW. Benchmark: 684 W (gemessen 3,5 l/min, isolierte Fühler). Grün ab 0,684 kW.",
-      "gridPos": {
-        "h": 4,
-        "w": 6,
-        "x": 12,
-        "y": 4
-      },
-      "datasource": {
-        "type": "influxdb",
-        "uid": "ffptl25vzylfke"
-      },
-      "fieldConfig": {
-        "defaults": {
-          "unit": "kwatt",
-          "decimals": 2,
-          "color": {
-            "mode": "thresholds",
-            "fixedColor": "green"
-          },
-          "thresholds": {
-            "mode": "absolute",
-            "steps": [
-              {
-                "color": "red",
-                "value": null
-              },
-              {
-                "color": "orange",
-                "value": 0.5
-              },
-              {
-                "color": "yellow",
-                "value": 0.62
-              },
-              {
-                "color": "green",
-                "value": 0.684
-              }
-            ]
-          }
-        }
-      },
-      "options": {
-        "reduceOptions": {
-          "values": false,
-          "calcs": [
-            "lastNotNull"
-          ]
-        },
-        "orientation": "auto",
-        "textMode": "auto",
-        "colorMode": "background",
-        "graphMode": "area",
-        "justifyMode": "auto"
-      },
-      "targets": [
-        {
-          "refId": "RL",
-          "datasource": {
-            "type": "influxdb",
-            "uid": "ffptl25vzylfke"
-          },
-          "query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='rl_brunnen' AND $timeFilter",
-          "rawQuery": true,
-          "hide": true
-        },
-        {
-          "refId": "VL",
-          "datasource": {
-            "type": "influxdb",
-            "uid": "ffptl25vzylfke"
-          },
-          "query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='vl_brunnen' AND $timeFilter",
-          "rawQuery": true,
-          "hide": true
-        },
-        {
-          "refId": "DT",
-          "datasource": {
-            "type": "__expr__",
-            "uid": "__expr__",
-            "name": "Expression"
-          },
-          "type": "math",
-          "expression": "$RL - $VL",
-          "hide": true
-        },
-        {
-          "refId": "Q",
-          "datasource": {
-            "type": "__expr__",
-            "uid": "__expr__",
-            "name": "Expression"
-          },
-          "type": "math",
-          "expression": "${brunnen_durchfluss} * $DT * 0.0698",
-          "hide": false
-        }
-      ]
-    },
-    {
-      "id": 10,
-      "type": "stat",
-      "title": "PWT ΔT (RL Brunnen − Oberfläche)",
-      "description": "Plausibilitätscheck: Differenz Brunnen-RL zu PWT-Oberfläche. Großer Wert = Fühler/Position noch prüfen.",
-      "gridPos": {
-        "h": 4,
-        "w": 6,
-        "x": 18,
-        "y": 4
-      },
-      "datasource": {
-        "type": "influxdb",
-        "uid": "ffptl25vzylfke"
-      },
-      "fieldConfig": {
-        "defaults": {
-          "unit": "celsius",
-          "decimals": 1,
-          "color": {
-            "mode": "thresholds",
-            "fixedColor": "green"
-          },
-          "thresholds": {
-            "mode": "absolute",
-            "steps": [
-              {
-                "color": "red",
-                "value": null
-              },
-              {
-                "color": "orange",
-                "value": 0.5
-              },
-              {
-                "color": "yellow",
-                "value": 1.5
-              },
-              {
-                "color": "green",
-                "value": 2.5
-              }
-            ]
-          }
-        }
-      },
-      "options": {
-        "reduceOptions": {
-          "values": false,
-          "calcs": [
-            "lastNotNull"
-          ]
-        },
-        "orientation": "auto",
-        "textMode": "auto",
-        "colorMode": "background",
-        "graphMode": "area",
-        "justifyMode": "auto"
-      },
-      "targets": [
-        {
-          "refId": "RL",
-          "datasource": {
-            "type": "influxdb",
-            "uid": "ffptl25vzylfke"
-          },
-          "query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='rl_brunnen' AND $timeFilter",
-          "rawQuery": true,
-          "hide": true
-        },
-        {
-          "refId": "PWT",
-          "datasource": {
-            "type": "influxdb",
-            "uid": "ffptl25vzylfke"
-          },
-          "query": "SELECT last(\"value\") FROM \"temperature\" WHERE \"node\"='garage_decke' AND \"sensor\"='pwt' AND $timeFilter",
-          "rawQuery": true,
-          "hide": true
-        },
-        {
-          "refId": "DT",
-          "datasource": {
-            "type": "__expr__",
-            "uid": "__expr__",
-            "name": "Expression"
-          },
-          "type": "math",
-          "expression": "$RL - $PWT",
-          "hide": false
-        }
-      ]
-    },
     {
       "id": 11,
       "type": "timeseries",