diff --git a/tasmota/xsns_69_opentherm.ino b/tasmota/xsns_69_opentherm.ino
index cfcc0384d..c94e61b59 100644
--- a/tasmota/xsns_69_opentherm.ino
+++ b/tasmota/xsns_69_opentherm.ino
@@ -16,6 +16,7 @@
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
+#define USE_OPENTHERM  
 
 #ifdef USE_OPENTHERM
 
@@ -467,8 +468,11 @@ uint8_t sns_opentherm_read_flags(char *data, uint32_t len)
 // flag value, however, this command does not update the settings.
 #define D_CMND_SET_HOT_WATER_ENABLED "dhw"
 
+// BLOR - Reset boiler 
+#define D_CMND_BLLOR "blor"
+
 const char kOpenThermCommands[] PROGMEM = D_PRFX_OTHERM "|" D_CMND_OTHERM_BOILER_SETPOINT "|" D_CMND_OTHERM_DHW_SETPOINT
-	    "|" D_CMND_OTHERM_SAVE_SETTINGS "|" D_CMND_OTHERM_FLAGS "|" D_CMND_SET_CENTRAL_HEATING_ENABLED "|" D_CMND_SET_HOT_WATER_ENABLED;
+	    "|" D_CMND_OTHERM_SAVE_SETTINGS "|" D_CMND_OTHERM_FLAGS "|" D_CMND_SET_CENTRAL_HEATING_ENABLED "|" D_CMND_SET_HOT_WATER_ENABLED "|" D_CMND_BLLOR;
 
 void (*const OpenThermCommands[])(void) PROGMEM = {
     &sns_opentherm_boiler_setpoint_cmd,
@@ -476,7 +480,8 @@ void (*const OpenThermCommands[])(void) PROGMEM = {
     &sns_opentherm_save_settings_cmd,
     &sns_opentherm_flags_cmd,
     &sns_opentherm_set_central_heating_cmd,
-    &sns_opentherm_set_hot_water_cmd};
+    &sns_opentherm_set_hot_water_cmd,
+    &sns_opentherm_blor_cmd,};
 
 void sns_opentherm_cmd(void) { }
 void sns_opentherm_boiler_setpoint_cmd(void)
@@ -550,6 +555,17 @@ void sns_opentherm_set_hot_water_cmd(void)
     ResponseCmndNumber(sns_ot_boiler_status.m_enableHotWater ? 1 : 0);
 }
 
+void sns_opentherm_blor_cmd(void)
+{
+    bool query = strlen(XdrvMailbox.data) == 0;
+    bool retval = false;
+    if (!query)
+    {
+        if (atoi(XdrvMailbox.data)) retval = sns_opentherm_call_blor();
+    }
+    ResponseCmndNumber(retval);
+}
+
 /*********************************************************************************************\
  * Interface
 \*********************************************************************************************/
diff --git a/tasmota/xsns_69_opentherm_protocol.ino b/tasmota/xsns_69_opentherm_protocol.ino
index bc821640a..a86648849 100644
--- a/tasmota/xsns_69_opentherm_protocol.ino
+++ b/tasmota/xsns_69_opentherm_protocol.ino
@@ -16,6 +16,7 @@
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
+#define USE_OPENTHERM  
 
 #ifdef USE_OPENTHERM
 
@@ -243,6 +244,14 @@ OpenThermCommand sns_opentherm_commands[] = {
      .m_ot_make_request = sns_opentherm_get_generic_u16,
      .m_ot_parse_response = sns_opentherm_parse_generic_u16,
      .m_ot_appent_telemetry = sns_opentherm_tele_generic_u16},
+    {// Boiler Lock-out Reset command
+     .m_command_name = "BLOR",
+     .m_command_code = (uint8_t)OpenThermMessageID::Command,
+     .m_flags = {.notSupported = 1},
+     .m_results = {{.m_u8 = 0}, {.m_u8 = 0}},
+     .m_ot_make_request = sns_opentherm_send_blor,
+     .m_ot_parse_response = sns_opentherm_parse_generic_u16,
+     .m_ot_appent_telemetry = sns_opentherm_tele_u8_u8},
 };
 
 /////////////////////////////////// Process Slave Status Flags & Control //////////////////////////////////////////////////
@@ -431,6 +440,26 @@ void sns_opentherm_tele_oem_diag(struct OpenThermCommandT *self)
     ResponseAppend_P(PSTR("%d"), (int)self->m_results[0].m_u16);
 }
 
+/////////////////////////////////// Boiler Boiler Lock-out Reset  //////////////////////////////////////////////////
+unsigned long sns_opentherm_send_blor(struct OpenThermCommandT *self, struct OT_BOILER_STATUS_T *status)
+{
+    AddLog(LOG_LEVEL_ERROR, PSTR("[OTH]: Boiler Boiler Lock-out Reset"));
+    
+    self->m_flags.notSupported = true; // Disable future calls of this command
+
+    unsigned int data = 1; //1 : “BLOR”= Boiler Lock-out Reset command
+    return OpenTherm::buildRequest(OpenThermMessageType::WRITE_DATA, OpenThermMessageID::Command, data);
+}
+bool sns_opentherm_call_blor() 
+{
+    /*
+    OpenThermCommandT *cmd = &sns_opentherm_commands[sns_opentherm_current_command-1];
+    if (strcmp(cmd->m_command_name, "BLOR")) return false;
+    cmd->m_flags.notSupported = false;
+    return true;
+    */
+}
+
 /////////////////////////////////// Generic Single Float /////////////////////////////////////////////////
 unsigned long sns_opentherm_get_generic_float(struct OpenThermCommandT *self, struct OT_BOILER_STATUS_T *)
 {