diff --git a/src/devices/boiler.cpp b/src/devices/boiler.cpp
index dba21e39b..58fda22fc 100644
--- a/src/devices/boiler.cpp
+++ b/src/devices/boiler.cpp
@@ -577,6 +577,7 @@ Boiler::Boiler(uint8_t device_type, int8_t device_id, uint8_t product_id, const
                           FL_(wwSelTempSingle),
                           DeviceValueUOM::DEGREES,
                           MAKE_CF_CB(set_ww_temp_single));
+    register_device_value(DeviceValueTAG::TAG_BOILER_DATA_WW, &wwSolarTemp_, DeviceValueType::USHORT, FL_(wwSolarTemp), DeviceValueUOM::DEGREES);
     register_device_value(DeviceValueTAG::TAG_BOILER_DATA_WW, &wwType_, DeviceValueType::ENUM, FL_(enum_flow), FL_(wwType), DeviceValueUOM::NONE);
     register_device_value(DeviceValueTAG::TAG_BOILER_DATA_WW,
                           &wwComfort_,
@@ -873,6 +874,7 @@ void Boiler::process_UBAMonitorWW(std::shared_ptr<const Telegram> telegram) {
 
     has_update(telegram, wwType_, 8);
     has_update(telegram, wwCurFlow_, 9);
+    has_update(telegram, wwSolarTemp_, 17);
     has_update(telegram, wwWorkM_, 10, 3);  // force to 3 bytes
     has_update(telegram, wwStarts_, 13, 3); // force to 3 bytes
 
diff --git a/src/devices/boiler.h b/src/devices/boiler.h
index 8f35b147b..a360fcf73 100644
--- a/src/devices/boiler.h
+++ b/src/devices/boiler.h
@@ -90,6 +90,7 @@ class Boiler : public EMSdevice {
     uint8_t  wwTapActivated_;  // maintenance-mode to switch DHW off
     uint16_t wwMixerTemp_;     // mixing temperature
     uint16_t wwCylMiddleTemp_; // Cyl middle temperature (TS3)
+    uint16_t wwSolarTemp_;
 
     // main
     uint8_t  reset_;            // for reset command
diff --git a/src/locale_translations.h b/src/locale_translations.h
index 3794e054e..4c10dc98b 100644
--- a/src/locale_translations.h
+++ b/src/locale_translations.h
@@ -457,6 +457,7 @@ MAKE_PSTR_LIST(wwProgMode, "wwprogmode", "program", "Programmmodus", "Programma"
 MAKE_PSTR_LIST(wwCircProg, "wwcircprog", "circulation program", "Zirkulationsprogramm", "Circulatieprogramma", "Cirkulationsprogram", "program cyrkulacji c.w.u.")
 MAKE_PSTR_LIST(wwMaxTemp, "wwmaxtemp", "maximum temperature", "Maximale Temperatur", "Maximale temperatuur", "Maximal Temperatur", "temperatura maksymalna")
 MAKE_PSTR_LIST(wwOneTimeKey, "wwonetimekey", "one time key function", "Einmalladungstaste", "Knop voor eenmalig laden buffer", "Engångsfunktion", "przycisk jednorazowego ogrzania")
+MAKE_PSTR_LIST(wwSolarTemp, "wwsolartemp", "solar boiler temperature", "Solarboiler Temperatur", "Zonneboiler temperatuur", "", "")
 
 // mqtt values / commands