diff --git a/.coveragerc b/.coveragerc
index ca2a0a5010b..6cff79350d2 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -1015,6 +1015,7 @@ omit =
     homeassistant/components/rainmachine/binary_sensor.py
     homeassistant/components/rainmachine/button.py
     homeassistant/components/rainmachine/model.py
+    homeassistant/components/rainmachine/select.py
     homeassistant/components/rainmachine/sensor.py
     homeassistant/components/rainmachine/switch.py
     homeassistant/components/rainmachine/update.py
diff --git a/homeassistant/components/rainmachine/__init__.py b/homeassistant/components/rainmachine/__init__.py
index 4d19dbc7bfc..ff52b74ab16 100644
--- a/homeassistant/components/rainmachine/__init__.py
+++ b/homeassistant/components/rainmachine/__init__.py
@@ -58,6 +58,7 @@ CONFIG_SCHEMA = cv.removed(DOMAIN, raise_if_present=False)
 PLATFORMS = [
     Platform.BINARY_SENSOR,
     Platform.BUTTON,
+    Platform.SELECT,
     Platform.SENSOR,
     Platform.SWITCH,
     Platform.UPDATE,
diff --git a/homeassistant/components/rainmachine/select.py b/homeassistant/components/rainmachine/select.py
new file mode 100644
index 00000000000..82dddfb8f3a
--- /dev/null
+++ b/homeassistant/components/rainmachine/select.py
@@ -0,0 +1,154 @@
+"""Support for RainMachine selects."""
+from __future__ import annotations
+
+from dataclasses import dataclass
+
+from regenmaschine.errors import RainMachineError
+
+from homeassistant.components.select import SelectEntity, SelectEntityDescription
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import CONF_UNIT_SYSTEM_IMPERIAL
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers.entity import EntityCategory
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from . import RainMachineData, RainMachineEntity
+from .const import DATA_RESTRICTIONS_UNIVERSAL, DOMAIN
+from .model import (
+    RainMachineEntityDescription,
+    RainMachineEntityDescriptionMixinDataKey,
+)
+from .util import key_exists
+
+
+@dataclass
+class RainMachineSelectDescription(
+    SelectEntityDescription,
+    RainMachineEntityDescription,
+    RainMachineEntityDescriptionMixinDataKey,
+):
+    """Describe a generic RainMachine select."""
+
+
+@dataclass
+class FreezeProtectionSelectOption:
+    """Define an option for a freeze selection select."""
+
+    api_value: float
+    imperial_label: str
+    metric_label: str
+
+
+@dataclass
+class FreezeProtectionTemperatureMixin:
+    """Define an entity description mixin to include an options list."""
+
+    options: list[FreezeProtectionSelectOption]
+
+
+@dataclass
+class FreezeProtectionSelectDescription(
+    RainMachineSelectDescription, FreezeProtectionTemperatureMixin
+):
+    """Describe a freeze protection temperature select."""
+
+
+TYPE_FREEZE_PROTECTION_TEMPERATURE = "freeze_protection_temperature"
+
+SELECT_DESCRIPTIONS = (
+    FreezeProtectionSelectDescription(
+        key=TYPE_FREEZE_PROTECTION_TEMPERATURE,
+        name="Freeze protection temperature",
+        icon="mdi:thermometer",
+        entity_category=EntityCategory.CONFIG,
+        api_category=DATA_RESTRICTIONS_UNIVERSAL,
+        data_key="freezeProtectTemp",
+        options=[
+            FreezeProtectionSelectOption(
+                api_value=0.0,
+                imperial_label="32°F",
+                metric_label="0°C",
+            ),
+            FreezeProtectionSelectOption(
+                api_value=2.0,
+                imperial_label="35.6°F",
+                metric_label="2°C",
+            ),
+            FreezeProtectionSelectOption(
+                api_value=5.0,
+                imperial_label="41°F",
+                metric_label="5°C",
+            ),
+            FreezeProtectionSelectOption(
+                api_value=10.0,
+                imperial_label="50°F",
+                metric_label="10°C",
+            ),
+        ],
+    ),
+)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+) -> None:
+    """Set up RainMachine selects based on a config entry."""
+    data: RainMachineData = hass.data[DOMAIN][entry.entry_id]
+
+    entity_map = {
+        TYPE_FREEZE_PROTECTION_TEMPERATURE: FreezeProtectionTemperatureSelect,
+    }
+
+    async_add_entities(
+        entity_map[description.key](entry, data, description, hass.config.units.name)
+        for description in SELECT_DESCRIPTIONS
+        if (
+            (coordinator := data.coordinators[description.api_category]) is not None
+            and coordinator.data
+            and key_exists(coordinator.data, description.data_key)
+        )
+    )
+
+
+class FreezeProtectionTemperatureSelect(RainMachineEntity, SelectEntity):
+    """Define a RainMachine select."""
+
+    entity_description: FreezeProtectionSelectDescription
+
+    def __init__(
+        self,
+        entry: ConfigEntry,
+        data: RainMachineData,
+        description: FreezeProtectionSelectDescription,
+        unit_system: str,
+    ) -> None:
+        """Initialize."""
+        super().__init__(entry, data, description)
+
+        self._api_value_to_label_map = {}
+        self._label_to_api_value_map = {}
+
+        for option in description.options:
+            if unit_system == CONF_UNIT_SYSTEM_IMPERIAL:
+                label = option.imperial_label
+            else:
+                label = option.metric_label
+            self._api_value_to_label_map[option.api_value] = label
+            self._label_to_api_value_map[label] = option.api_value
+
+        self._attr_options = list(self._label_to_api_value_map)
+
+    async def async_select_option(self, option: str) -> None:
+        """Change the selected option."""
+        try:
+            await self._data.controller.restrictions.set_universal(
+                {self.entity_description.data_key: self._label_to_api_value_map[option]}
+            )
+        except RainMachineError as err:
+            raise ValueError(f"Error while setting {self.name}: {err}") from err
+
+    @callback
+    def update_from_latest_data(self) -> None:
+        """Update the entity when new data is received."""
+        raw_value = self.coordinator.data[self.entity_description.data_key]
+        self._attr_current_option = self._api_value_to_label_map[raw_value]
diff --git a/homeassistant/components/rainmachine/sensor.py b/homeassistant/components/rainmachine/sensor.py
index 32364e08199..97772c6033a 100644
--- a/homeassistant/components/rainmachine/sensor.py
+++ b/homeassistant/components/rainmachine/sensor.py
@@ -6,6 +6,7 @@ from datetime import datetime, timedelta
 from typing import Any, cast
 
 from homeassistant.components.sensor import (
+    DOMAIN as SENSOR_DOMAIN,
     RestoreSensor,
     SensorDeviceClass,
     SensorEntity,
@@ -32,7 +33,13 @@ from .model import (
     RainMachineEntityDescriptionMixinDataKey,
     RainMachineEntityDescriptionMixinUid,
 )
-from .util import RUN_STATE_MAP, RunStates, key_exists
+from .util import (
+    RUN_STATE_MAP,
+    EntityDomainReplacementStrategy,
+    RunStates,
+    async_finish_entity_domain_replacements,
+    key_exists,
+)
 
 DEFAULT_ZONE_COMPLETION_TIME_WOBBLE_TOLERANCE = timedelta(seconds=5)
 
@@ -127,6 +134,20 @@ async def async_setup_entry(
     """Set up RainMachine sensors based on a config entry."""
     data: RainMachineData = hass.data[DOMAIN][entry.entry_id]
 
+    async_finish_entity_domain_replacements(
+        hass,
+        entry,
+        (
+            EntityDomainReplacementStrategy(
+                SENSOR_DOMAIN,
+                f"{data.controller.mac}_freeze_protect_temp",
+                f"select.{data.controller.name.lower()}_freeze_protect_temperature",
+                breaks_in_ha_version="2022.12.0",
+                remove_old_entity=False,
+            ),
+        ),
+    )
+
     api_category_sensor_map = {
         DATA_PROVISION_SETTINGS: ProvisionSettingsSensor,
         DATA_RESTRICTIONS_UNIVERSAL: UniversalRestrictionsSensor,
diff --git a/homeassistant/components/rainmachine/strings.json b/homeassistant/components/rainmachine/strings.json
index 7634c0a69c5..95b92e99294 100644
--- a/homeassistant/components/rainmachine/strings.json
+++ b/homeassistant/components/rainmachine/strings.json
@@ -27,5 +27,18 @@
         }
       }
     }
+  },
+  "issues": {
+    "replaced_old_entity": {
+      "title": "The {old_entity_id} entity will be removed",
+      "fix_flow": {
+        "step": {
+          "confirm": {
+            "title": "The {old_entity_id} entity will be removed",
+            "description": "Update any automations or scripts that use this entity to instead use `{replacement_entity_id}`."
+          }
+        }
+      }
+    }
   }
 }
diff --git a/homeassistant/components/rainmachine/translations/en.json b/homeassistant/components/rainmachine/translations/en.json
index 9369eeae4c8..3e5d824ee08 100644
--- a/homeassistant/components/rainmachine/translations/en.json
+++ b/homeassistant/components/rainmachine/translations/en.json
@@ -18,6 +18,19 @@
             }
         }
     },
+    "issues": {
+        "replaced_old_entity": {
+            "fix_flow": {
+                "step": {
+                    "confirm": {
+                        "description": "Update any automations or scripts that use this entity to instead use `{replacement_entity_id}`.",
+                        "title": "The {old_entity_id} entity will be removed"
+                    }
+                }
+            },
+            "title": "The {old_entity_id} entity will be removed"
+        }
+    },
     "options": {
         "step": {
             "init": {
diff --git a/homeassistant/components/rainmachine/util.py b/homeassistant/components/rainmachine/util.py
index dc772690ec5..3c66d530cf4 100644
--- a/homeassistant/components/rainmachine/util.py
+++ b/homeassistant/components/rainmachine/util.py
@@ -1,20 +1,23 @@
 """Define RainMachine utilities."""
 from __future__ import annotations
 
-from collections.abc import Awaitable, Callable
+from collections.abc import Awaitable, Callable, Iterable
+from dataclasses import dataclass
 from datetime import timedelta
 from typing import Any
 
 from homeassistant.backports.enum import StrEnum
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers import entity_registry
 from homeassistant.helpers.dispatcher import (
     async_dispatcher_connect,
     async_dispatcher_send,
 )
+from homeassistant.helpers.issue_registry import IssueSeverity, async_create_issue
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
 
-from .const import LOGGER
+from .const import DOMAIN, LOGGER
 
 SIGNAL_REBOOT_COMPLETED = "rainmachine_reboot_completed_{0}"
 SIGNAL_REBOOT_REQUESTED = "rainmachine_reboot_requested_{0}"
@@ -35,6 +38,60 @@ RUN_STATE_MAP = {
 }
 
 
+@dataclass
+class EntityDomainReplacementStrategy:
+    """Define an entity replacement."""
+
+    old_domain: str
+    old_unique_id: str
+    replacement_entity_id: str
+    breaks_in_ha_version: str
+    remove_old_entity: bool = True
+
+
+@callback
+def async_finish_entity_domain_replacements(
+    hass: HomeAssistant,
+    entry: ConfigEntry,
+    entity_replacement_strategies: Iterable[EntityDomainReplacementStrategy],
+) -> None:
+    """Remove old entities and create a repairs issue with info on their replacement."""
+    ent_reg = entity_registry.async_get(hass)
+    for strategy in entity_replacement_strategies:
+        try:
+            [registry_entry] = [
+                registry_entry
+                for registry_entry in ent_reg.entities.values()
+                if registry_entry.config_entry_id == entry.entry_id
+                and registry_entry.domain == strategy.old_domain
+                and registry_entry.unique_id == strategy.old_unique_id
+            ]
+        except ValueError:
+            continue
+
+        old_entity_id = registry_entry.entity_id
+        translation_key = "replaced_old_entity"
+
+        async_create_issue(
+            hass,
+            DOMAIN,
+            f"{translation_key}_{old_entity_id}",
+            breaks_in_ha_version=strategy.breaks_in_ha_version,
+            is_fixable=True,
+            is_persistent=True,
+            severity=IssueSeverity.WARNING,
+            translation_key=translation_key,
+            translation_placeholders={
+                "old_entity_id": old_entity_id,
+                "replacement_entity_id": strategy.replacement_entity_id,
+            },
+        )
+
+        if strategy.remove_old_entity:
+            LOGGER.info('Removing old entity: "%s"', old_entity_id)
+            ent_reg.async_remove(old_entity_id)
+
+
 def key_exists(data: dict[str, Any], search_key: str) -> bool:
     """Return whether a key exists in a nested dict."""
     for key, value in data.items():