diff --git a/homeassistant/components/hydrawise/config_flow.py b/homeassistant/components/hydrawise/config_flow.py
index 1c2c1c5cf29..ab9ebbb065d 100644
--- a/homeassistant/components/hydrawise/config_flow.py
+++ b/homeassistant/components/hydrawise/config_flow.py
@@ -37,8 +37,8 @@ class HydrawiseConfigFlow(ConfigFlow, domain=DOMAIN):
         # Verify that the provided credentials work."""
         api = client.Hydrawise(auth.Auth(username, password))
         try:
-            # Skip fetching zones to save on metered API calls.
-            user = await api.get_user()
+            # Don't fetch zones because we don't need them yet.
+            user = await api.get_user(fetch_zones=False)
         except NotAuthorizedError:
             return on_failure("invalid_auth")
         except TimeoutError:
diff --git a/homeassistant/components/hydrawise/coordinator.py b/homeassistant/components/hydrawise/coordinator.py
index d046dfcc92a..50caaa0c0de 100644
--- a/homeassistant/components/hydrawise/coordinator.py
+++ b/homeassistant/components/hydrawise/coordinator.py
@@ -40,13 +40,17 @@ class HydrawiseDataUpdateCoordinator(DataUpdateCoordinator[HydrawiseData]):
 
     async def _async_update_data(self) -> HydrawiseData:
         """Fetch the latest data from Hydrawise."""
-        user = await self.api.get_user()
+        # Don't fetch zones. We'll fetch them for each controller later.
+        # This is to prevent 502 errors in some cases.
+        # See: https://github.com/home-assistant/core/issues/120128
+        user = await self.api.get_user(fetch_zones=False)
         controllers = {}
         zones = {}
         sensors = {}
         daily_water_use: dict[int, ControllerWaterUseSummary] = {}
         for controller in user.controllers:
             controllers[controller.id] = controller
+            controller.zones = await self.api.get_zones(controller)
             for zone in controller.zones:
                 zones[zone.id] = zone
             for sensor in controller.sensors:
diff --git a/tests/components/hydrawise/conftest.py b/tests/components/hydrawise/conftest.py
index eb1518eb7f2..0b5327cd7b2 100644
--- a/tests/components/hydrawise/conftest.py
+++ b/tests/components/hydrawise/conftest.py
@@ -1,6 +1,6 @@
 """Common fixtures for the Hydrawise tests."""
 
-from collections.abc import Awaitable, Callable
+from collections.abc import Awaitable, Callable, Generator
 from datetime import datetime, timedelta
 from unittest.mock import AsyncMock, patch
 
@@ -20,7 +20,6 @@ from pydrawise.schema import (
     Zone,
 )
 import pytest
-from typing_extensions import Generator
 
 from homeassistant.components.hydrawise.const import DOMAIN
 from homeassistant.const import CONF_API_KEY, CONF_PASSWORD, CONF_USERNAME
@@ -67,9 +66,9 @@ def mock_pydrawise(
     """Mock Hydrawise."""
     with patch("pydrawise.client.Hydrawise", autospec=True) as mock_pydrawise:
         user.controllers = [controller]
-        controller.zones = zones
         controller.sensors = sensors
         mock_pydrawise.return_value.get_user.return_value = user
+        mock_pydrawise.return_value.get_zones.return_value = zones
         mock_pydrawise.return_value.get_water_use_summary.return_value = (
             controller_water_use_summary
         )
@@ -142,7 +141,7 @@ def sensors() -> list[Sensor]:
             ),
             status=SensorStatus(
                 water_flow=LocalizedValueType(value=577.0044752010709, unit="gal"),
-                active=None,
+                active=False,
             ),
         ),
     ]
@@ -154,7 +153,6 @@ def zones() -> list[Zone]:
     return [
         Zone(
             name="Zone One",
-            number=1,
             id=5965394,
             scheduled_runs=ScheduledZoneRuns(
                 summary="",
@@ -171,7 +169,6 @@ def zones() -> list[Zone]:
         ),
         Zone(
             name="Zone Two",
-            number=2,
             id=5965395,
             scheduled_runs=ScheduledZoneRuns(
                 current_run=ScheduledZoneRun(
diff --git a/tests/components/hydrawise/test_config_flow.py b/tests/components/hydrawise/test_config_flow.py
index a7fbc008aab..e85b1b9b249 100644
--- a/tests/components/hydrawise/test_config_flow.py
+++ b/tests/components/hydrawise/test_config_flow.py
@@ -46,7 +46,7 @@ async def test_form(
         CONF_PASSWORD: "__password__",
     }
     assert len(mock_setup_entry.mock_calls) == 1
-    mock_pydrawise.get_user.assert_called_once_with()
+    mock_pydrawise.get_user.assert_called_once_with(fetch_zones=False)
 
 
 async def test_form_api_error(