diff --git a/interface/src/i18n/de/index.ts b/interface/src/i18n/de/index.ts
index cdfb5301b..09d3e3f7c 100644
--- a/interface/src/i18n/de/index.ts
+++ b/interface/src/i18n/de/index.ts
@@ -37,7 +37,7 @@ const de: Translation = {
   PRODUCT: 'Produkt',
   VERSION: 'Version',
   ENTITY_NAME: 'Entitätsname',
-  VALUE: '{{Wert||wert}}',
+  VALUE: 'Wert',
   SHOW_FAV: 'nur Favoriten anzeigen',
   DEVICE_SENSOR_DATA: 'Geräte- und Sensordaten',
   DEVICES_SENSORS: 'Geräte & Sensoren',
diff --git a/interface/src/project/types.ts b/interface/src/project/types.ts
index 874f65820..7bf0143c4 100644
--- a/interface/src/project/types.ts
+++ b/interface/src/project/types.ts
@@ -197,7 +197,7 @@ export const DeviceValueUOM_s = [
   'kW',
   'W',
   'KB',
-  'second',
+  'seconds',
   'dBm',
   '°F',
   'mV',
diff --git a/src/devices/boiler.cpp b/src/devices/boiler.cpp
index f45bf8605..c972eeaa9 100644
--- a/src/devices/boiler.cpp
+++ b/src/devices/boiler.cpp
@@ -1772,6 +1772,11 @@ bool Boiler::set_flow_temp(const char * value, const int8_t id) {
         return false;
     }
 
+    //  no write/verify if there is no change, see https://github.com/emsesp/EMS-ESP32/issues/654
+    if (v == selFlowTemp_) {
+        return true;
+    }
+
     if (has_telegram_id(0xE4)) {
         write_command(EMS_TYPE_UBASetPoints, 0, v, 0xE4);
     } else {
diff --git a/src/mqtt.cpp b/src/mqtt.cpp
index a37b00f77..91ed56e6f 100644
--- a/src/mqtt.cpp
+++ b/src/mqtt.cpp
@@ -1091,7 +1091,7 @@ void Mqtt::publish_ha_sensor_config(uint8_t               type,     // EMSdevice
     // keep it compatible to v3.4, use english fullname, no prefix (basename prefix commented out)
     char object_id[130];
     if (have_tag) {
-        snprintf(object_id, sizeof(object_id), "%s_%s_%s", device_name, EMSdevice::tag_to_string(tag).c_str(), en_name);
+        snprintf(object_id, sizeof(object_id), "%s_%s_%s", device_name, EMSdevice::tag_to_mqtt(tag).c_str(), en_name);
     } else {
         snprintf(object_id, sizeof(object_id), "%s_%s", device_name, en_name);
     }