diff --git a/lib/constants.js b/lib/constants.js
index 1568931bd63d7..45d6e2e9fc49a 100644
--- a/lib/constants.js
+++ b/lib/constants.js
@@ -24,6 +24,7 @@ const thermostatControlSequenceOfOperations = {
 const thermostatProgrammingOperationModes = {
     0: 'setpoint',
     1: 'schedule',
+    3: 'schedule_with_preheat',
     4: 'eco',
 };
 
diff --git a/lib/exposes.js b/lib/exposes.js
index 03e10e87910f2..950f655c8cd23 100644
--- a/lib/exposes.js
+++ b/lib/exposes.js
@@ -626,7 +626,7 @@ module.exports = {
         power_outage_memory: () => new Binary('power_outage_memory', access.ALL, true, false).withDescription('Enable/disable the power outage memory, this recovers the on/off mode after power failure'),
         presence: () => new Binary('presence', access.STATE, true, false).withDescription('Indicates whether the device detected presence'),
         pressure: () => new Numeric('pressure', access.STATE).withUnit('hPa').withDescription('The measured atmospheric pressure'),
-        programming_operation_mode: () => new Enum('programming_operation_mode', access.ALL, ['setpoint', 'schedule', 'eco']).withDescription('Controls how programming affects the thermostat. Possible values: setpoint (only use specified setpoint), schedule (follow programmed setpoint schedule). Changing this value does not clear programmed schedules.'),
+        programming_operation_mode: () => new Enum('programming_operation_mode', access.ALL, ['setpoint', 'schedule', 'schedule_with_preheat', 'eco']).withDescription('Controls how programming affects the thermostat. Possible values: setpoint (only use specified setpoint), schedule (follow programmed setpoint schedule), schedule_with_preheat (follow programmed setpoint schedule with pre-heating). Changing this value does not clear programmed schedules.'),
         smoke: () => new Binary('smoke', access.STATE, true, false).withDescription('Indicates whether the device detected smoke'),
         soil_moisture: () => new Numeric('soil_moisture', access.STATE).withUnit('%').withDescription('Measured soil moisture value'),
         sos: () => new Binary('sos', access.STATE, true, false).withDescription('SOS alarm'),