diff --git a/CHANGELOG.md b/CHANGELOG.md
index 347924e..4fd0faa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [unreleased]
 
+- allow `R47`serial numbers for GEN3 inverters
 - add watchdog for Add-ons
 - Respect logging.ini file, if LOG_ENV isn't set well [#288](https://github.com/s-allius/tsun-gen3-proxy/issues/288)
 - Remove trailing apostrophe in the log output [#288](https://github.com/s-allius/tsun-gen3-proxy/issues/288)
diff --git a/ha_addons/ha_addon/translations/de.yaml b/ha_addons/ha_addon/translations/de.yaml
index 36ee8cd..0455987 100755
--- a/ha_addons/ha_addon/translations/de.yaml
+++ b/ha_addons/ha_addon/translations/de.yaml
@@ -10,7 +10,7 @@ configuration:
       Weitere wechselrichterspezifische Parameter (z.B. Polling Mode) können im 
       Konfigurationsblock gesetzt werden.
 
-      Die Seriennummer der GEN3 Wechselrichter beginnen mit `R17` und die der GEN3PLUS
+      Die Seriennummer der GEN3 Wechselrichter beginnen mit `R17` oder `R47` und die der GEN3PLUS
       Wechselrichter mit `Y17`oder `Y47`!
 
       Siehe Beispielkonfiguration im Dokumentations-Tab
diff --git a/ha_addons/ha_addon/translations/en.yaml b/ha_addons/ha_addon/translations/en.yaml
index 7ffb6f3..82a25aa 100755
--- a/ha_addons/ha_addon/translations/en.yaml
+++ b/ha_addons/ha_addon/translations/en.yaml
@@ -9,7 +9,7 @@ configuration:
       to this inverter. Further inverter-specific parameters (e.g. polling mode) can be set
       in the configuration block.
 
-      The serial numbers of all GEN3 inverters start with `R17` and that of the GEN3PLUS
+      The serial numbers of all GEN3 inverters start with `R17` or `R47` and that of the GEN3PLUS
       inverters with ‘Y17’ or ‘Y47’!
       
       For reference see example configuration in Documentation Tab
diff --git a/ha_addons/templates/config.jinja b/ha_addons/templates/config.jinja
index b4f6a43..f17a758 100755
--- a/ha_addons/templates/config.jinja
+++ b/ha_addons/templates/config.jinja
@@ -32,7 +32,7 @@ watchdog: "http://[HOST]:[PORT:8127]/-/healthy"
 
 schema:
   inverters:
-    - serial: match(^(R17|Y17|Y47).{13}$)
+    - serial: match(^(R17|R47|Y17|Y47).{13}$)
       monitor_sn: int?
       node_id: str
       suggested_area: str