diff --git a/homeassistant/components/iaqualink/__init__.py b/homeassistant/components/iaqualink/__init__.py
index cbdf909001a..225953035a2 100644
--- a/homeassistant/components/iaqualink/__init__.py
+++ b/homeassistant/components/iaqualink/__init__.py
@@ -153,6 +153,7 @@ async def async_setup_entry(  # noqa: C901
                         system.serial,
                         svc_exception,
                     )
+                await system.aqualink.close()
             else:
                 cur = system.online
                 if cur and not prev:
diff --git a/homeassistant/components/iaqualink/utils.py b/homeassistant/components/iaqualink/utils.py
index b047af5869c..87bc863a7f8 100644
--- a/homeassistant/components/iaqualink/utils.py
+++ b/homeassistant/components/iaqualink/utils.py
@@ -3,6 +3,7 @@ from __future__ import annotations
 
 from collections.abc import Awaitable
 
+import httpx
 from iaqualink.exception import AqualinkServiceException
 
 from homeassistant.exceptions import HomeAssistantError
@@ -12,5 +13,5 @@ async def await_or_reraise(awaitable: Awaitable) -> None:
     """Execute API call while catching service exceptions."""
     try:
         await awaitable
-    except AqualinkServiceException as svc_exception:
+    except (AqualinkServiceException, httpx.HTTPError) as svc_exception:
         raise HomeAssistantError(f"Aqualink error: {svc_exception}") from svc_exception