From 445c663850d95bdec8667e5de2aad49ce1d890a4 Mon Sep 17 00:00:00 2001
From: tjani8 <122315491+tjani8@users.noreply.github.com>
Date: Sun, 7 Jan 2024 16:37:38 +0200
Subject: [PATCH] Add buffer tank switch

Add missing switch for buffer tank
---
 custom_components/aquarea/definitions.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/custom_components/aquarea/definitions.py b/custom_components/aquarea/definitions.py
index d215cbc..a4deefa 100644
--- a/custom_components/aquarea/definitions.py
+++ b/custom_components/aquarea/definitions.py
@@ -818,6 +818,14 @@ def build_switches(mqtt_prefix: str) -> list[HeishaMonSwitchEntityDescription]:
             entity_category=EntityCategory.CONFIG,
             state=bit_to_bool,
         ),
+        HeishaMonSwitchEntityDescription(
+            heishamon_topic_id="SET18",  # corresponds to TOP99
+            key=f"{mqtt_prefix}main/Buffer_Installed",
+            command_topic=f"{mqtt_prefix}commands/SetBuffer",
+            name="Aquarea Buffer tank",
+            entity_category=EntityCategory.CONFIG,
+            state=bit_to_bool,    
+        ),
     ]