diff --git a/infra/telegraf/satellites.conf b/infra/telegraf/satellites.conf
index ce5e2d1dd..1dcc81ca7 100644
--- a/infra/telegraf/satellites.conf
+++ b/infra/telegraf/satellites.conf
@@ -23,7 +23,7 @@
     measurement = "_/_"
     tags = "node/_"
 
-# --- Aussenfuehler: MQTT legacy oelraum/temp (ESP8266) -> node=aussen ---
+# --- Brunnen-VL: ex-Dachfuehler oelraum/temp (ESP8266) jetzt an Brunnenwasserleitung -> node=heizraum, sensor=brunnen_vl_zum_heizraum ---
 [[inputs.mqtt_consumer]]
   servers = ["tcp://127.0.0.1:1883"]
   topics = ["oelraum/temp"]
@@ -32,7 +32,8 @@
   name_override = "temperature"
   topic_tag = ""
   [inputs.mqtt_consumer.tags]
-    node = "aussen"
+    node = "heizraum"
+    sensor = "brunnen_vl_zum_heizraum"
 
 # --- Heizraum: DS18B20-Temperatur(en) heizraum/<name|ROM> ---
 # WARTUNG: explizite Liste statt Wildcard heizraum/+, damit heizraum/status ("online")