diff --git a/interface/src/i18n/de/index.ts b/interface/src/i18n/de/index.ts
index bb9f80493..b04338932 100644
--- a/interface/src/i18n/de/index.ts
+++ b/interface/src/i18n/de/index.ts
@@ -53,7 +53,7 @@ const de: Translation = {
   UPDATE_OF: '{0} Aktualisieren',
   REMOVED_OF: '{0} Entfernt',
   DELETION_OF: '{0} Löschung',
-  OFFSET: 'Addition',
+  OFFSET: 'Position',
   FACTOR: 'Faktor',
   FREQ: 'Frequenz',
   DUTY_CYCLE: 'Duty Cycle',
diff --git a/src/devices/boiler.cpp b/src/devices/boiler.cpp
index e78bbf567..14fcd8789 100644
--- a/src/devices/boiler.cpp
+++ b/src/devices/boiler.cpp
@@ -1079,7 +1079,7 @@ void Boiler::check_active() {
     b   = ((boilerState_ & 0x09) == 0x09);
     val = b ? EMS_VALUE_BOOL_ON : EMS_VALUE_BOOL_OFF;
     if (heatingActive_ != val) {
-        heatingActive_ = val;
+        has_update(heatingActive_, val);
         char s[12];
         Mqtt::queue_publish(F_(heating_active), Helpers::render_boolean(s, b));
     }
@@ -1103,7 +1103,7 @@ void Boiler::check_active() {
 
     val = b ? EMS_VALUE_BOOL_ON : EMS_VALUE_BOOL_OFF;
     if (tapwaterActive_ != val) {
-        tapwaterActive_ = val;
+        has_update(tapwaterActive_, val);
         char s[12];
         Mqtt::queue_publish(F_(tapwater_active), Helpers::render_boolean(s, b));
         // if (flowsensor) {
diff --git a/src/web/WebSchedulerService.cpp b/src/web/WebSchedulerService.cpp
index 1a0a86c6e..fb03487cb 100644
--- a/src/web/WebSchedulerService.cpp
+++ b/src/web/WebSchedulerService.cpp
@@ -371,16 +371,17 @@ bool WebSchedulerService::command(const char * cmd, const char * data) {
 #include "shuntingYard.hpp"
 
 bool WebSchedulerService::onChange(const char * cmd) {
+    bool cmd_ok = false;
     for (const ScheduleItem & scheduleItem : *scheduleItems_) {
         if (scheduleItem.active && scheduleItem.flags == SCHEDULEFLAG_SCHEDULE_ONCHANGE
             && Helpers::toLower(scheduleItem.time).find(Helpers::toLower(cmd)) != std::string::npos) {
 #ifdef EMESESP_DEBUG
             // emsesp::EMSESP::logger().debug(scheduleItem.cmd.c_str());
 #endif
-            return command(scheduleItem.cmd.c_str(), compute(scheduleItem.value).c_str());
+            cmd_ok |= command(scheduleItem.cmd.c_str(), compute(scheduleItem.value).c_str());
         }
     }
-    return false;
+    return cmd_ok;
 }
 
 void WebSchedulerService::condition() {
diff --git a/src/web/shuntingYard.hpp b/src/web/shuntingYard.hpp
index 208297878..83a44bdf2 100644
--- a/src/web/shuntingYard.hpp
+++ b/src/web/shuntingYard.hpp
@@ -558,16 +558,33 @@ std::string calculate(const std::string & expr) {
     }
     return stack.back();
 }
-// check for <expr> ? <expr1> : <expr2>
+
+// check for multiple instances of <cond> ? <expr1> : <expr2>
 std::string compute(const std::string & expr) {
-    auto q = expr.find_first_of("?");
-    auto p = expr.find_first_of(":", q);
-    if (p != std::string::npos && q != std::string::npos) {
-        if (calculate(expr.substr(0, q))[0] == '1') {
-            return calculate(expr.substr(q + 1, p - q - 1));
-        } else {
-            return calculate(expr.substr(p + 1));
+    auto expr_new = expr;
+    // positions: q-questionmark, c-colon
+    auto q = expr_new.find_first_of("?");
+    while (q != std::string::npos) {
+        // find corresponding colon
+        auto c1 = expr_new.find_first_of(":", q + 1);
+        auto q1 = expr_new.find_first_of("?", q + 1);
+        while (q1 < c1 && q1 != std::string::npos && c1 != std::string::npos) {
+            q1 = expr_new.find_first_of("?", q1 + 1);
+            c1 = expr_new.find_first_of(":", c1 + 1);
         }
+        if (c1 == std::string::npos) {
+            return ""; // error: missing colon
+        }
+        std::string cond = calculate(expr_new.substr(0, q));
+        if (cond[0] == '1') {
+            expr_new.erase(c1);       // remove second expression after colon
+            expr_new.erase(0, q + 1); // remove condition before questionmark
+        } else if (cond[0] == '0') {
+            expr_new.erase(0, c1 + 1); // remove condition and first expression
+        } else {
+            return ""; // error
+        }
+        q = expr_new.find_first_of("?"); // search next instance
     }
-    return calculate(expr);
+    return calculate(expr_new);
 }