From 52d7c71df5ab0f0e6dcab4772ced3cc68dd6c01a Mon Sep 17 00:00:00 2001
From: farmio <farmio@alphart.net>
Date: Thu, 18 Dec 2025 20:28:38 +0100
Subject: [PATCH 1/2] KNX Fan: Add support for switch addresses

---
 source/_integrations/knx.markdown | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/source/_integrations/knx.markdown b/source/_integrations/knx.markdown
index 6472c3cab1fb..0805276d21c3 100644
--- a/source/_integrations/knx.markdown
+++ b/source/_integrations/knx.markdown
@@ -1421,6 +1421,10 @@ knx:
       state_address: "9/0/2"
 ```
 
+{% note %}
+At least one of `address` or `switch_address` has to be provided. If only `address` is provided, on/off will implicitly be controlled via this address - sending 0 to turn off.
+{% endnote %}
+
 {% configuration %}
 name:
   description: A name for this device used within Home Assistant.
@@ -1428,12 +1432,20 @@ name:
   type: string
 address:
   description: KNX group address for setting the percentage or step of the fan. *DPT 5.001* or *DPT 5.010*
-  required: true
+  required: false
   type: [string, list]
 state_address:
   description: KNX group address for retrieving the percentage or step of the fan. *DPT 5.001* or *DPT 5.010*
   required: false
   type: [string, list]
+switch_address:
+  description: KNX group address for switching the fan on/off. *DPT 1*
+  required: false
+  type: [string, list]
+switch_state_address:
+  description: KNX group address for retrieving the on/off state of the fan. *DPT 1*
+  required: false
+  type: [string, list]
 oscillation_address:
   description: KNX group address for switching the fan oscillation on or off. *DPT 1*
   required: false

From b2d5784b8c380e71545f0f01c5c62dfa50d0fa3c Mon Sep 17 00:00:00 2001
From: Matthias Alphart <farmio@alphart.net>
Date: Thu, 18 Dec 2025 20:38:34 +0100
Subject: [PATCH 2/2] Update source/_integrations/knx.markdown

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
---
 source/_integrations/knx.markdown | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/_integrations/knx.markdown b/source/_integrations/knx.markdown
index 0805276d21c3..61bad1784ce3 100644
--- a/source/_integrations/knx.markdown
+++ b/source/_integrations/knx.markdown
@@ -1422,7 +1422,7 @@ knx:
 ```
 
 {% note %}
-At least one of `address` or `switch_address` has to be provided. If only `address` is provided, on/off will implicitly be controlled via this address - sending 0 to turn off.
+At least one of `address` or `switch_address` must be provided. If you set only `address`, Home Assistant also uses this address to switch the fan on and off by sending 0 to turn the fan off.
 {% endnote %}
 
 {% configuration %}