From e7e590b36f97deea2b9dac5af69be9505c335970 Mon Sep 17 00:00:00 2001
From: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com>
Date: Thu, 2 Apr 2026 15:08:43 -0400
Subject: [PATCH] [thermostat] Fix on_boot_restore_from DEFAULT_PRESET
 validation bypass (#15383)

---
 esphome/components/thermostat/climate.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/esphome/components/thermostat/climate.py b/esphome/components/thermostat/climate.py
index f7c1298d68..ec115296d7 100644
--- a/esphome/components/thermostat/climate.py
+++ b/esphome/components/thermostat/climate.py
@@ -503,7 +503,7 @@ def validate_thermostat(config):
     # If restoring default preset on boot is true then ensure we have a default preset
     if (
         CONF_ON_BOOT_RESTORE_FROM in config
-        and config[CONF_ON_BOOT_RESTORE_FROM] is OnBootRestoreFrom.DEFAULT_PRESET
+        and config[CONF_ON_BOOT_RESTORE_FROM] == "DEFAULT_PRESET"
         and CONF_DEFAULT_PRESET not in config
     ):
         raise cv.Invalid(