diff --git a/src/device_library.h b/src/device_library.h
index ad377e8c9..7cf0761fe 100644
--- a/src/device_library.h
+++ b/src/device_library.h
@@ -110,6 +110,7 @@
 {109, DeviceType::THERMOSTAT, F("FB10"), DeviceFlags::EMS_DEVICE_FLAG_JUNKERS},
 {110, DeviceType::THERMOSTAT, F("FB100"), DeviceFlags::EMS_DEVICE_FLAG_JUNKERS},
 {111, DeviceType::THERMOSTAT, F("FR10"), DeviceFlags::EMS_DEVICE_FLAG_JUNKERS | DeviceFlags::EMS_DEVICE_FLAG_JUNKERS_OLD}, // older model
+{116, DeviceType::THERMOSTAT, F("FW500"), DeviceFlags::EMS_DEVICE_FLAG_JUNKERS},
 {147, DeviceType::THERMOSTAT, F("FR50"), DeviceFlags::EMS_DEVICE_FLAG_JUNKERS | DeviceFlags::EMS_DEVICE_FLAG_JUNKERS_OLD},
 {191, DeviceType::THERMOSTAT, F("FR120"), DeviceFlags::EMS_DEVICE_FLAG_JUNKERS | DeviceFlags::EMS_DEVICE_FLAG_JUNKERS_OLD}, // older model
 {192, DeviceType::THERMOSTAT, F("FW120"), DeviceFlags::EMS_DEVICE_FLAG_JUNKERS},