diff --git a/interface/src/app/main/Customizations.tsx b/interface/src/app/main/Customizations.tsx
index 013492275..a6caf8b06 100644
--- a/interface/src/app/main/Customizations.tsx
+++ b/interface/src/app/main/Customizations.tsx
@@ -23,6 +23,7 @@ import {
   TextField,
   ToggleButton,
   ToggleButtonGroup,
+  Tooltip,
   Typography
 } from '@mui/material';
 
@@ -292,6 +293,17 @@ const Customizations = () => {
     return value as string;
   }
 
+  function formatLimit(value: number | null | undefined) {
+    if (value === null) {
+      return (
+        <Tooltip title={LL.CUSTOMIZATIONS_LIMITS()}>
+          <WarningIcon color="warning" sx={{ fontSize: 16 }} />
+        </Tooltip>
+      );
+    }
+    return formatValue(value);
+  }
+
   const isCommand = (de: DeviceEntity) => {
     return de.n && de.n[0] === '!';
   };
@@ -385,10 +397,13 @@ const Customizations = () => {
         if (!selectedIds.has(de.id)) {
           return de;
         }
-        const next: DeviceEntity = { ...de, m: 0, c: false };
-        delete next.cn;
-        delete next.mi;
-        delete next.ma;
+        const next: DeviceEntity = { ...de, m: 0, cn: '', c: false };
+        if (de.mi !== undefined) {
+          next.mi = null;
+        }
+        if (de.ma !== undefined) {
+          next.ma = null;
+        }
         return next;
       })
     );
@@ -829,10 +844,10 @@ const Customizations = () => {
                       </span>
                     </Cell>
                     <Cell>
-                      {!(de.m & DeviceEntityMask.DV_READONLY) && formatValue(de.mi)}
+                      {!(de.m & DeviceEntityMask.DV_READONLY) && formatLimit(de.mi)}
                     </Cell>
                     <Cell>
-                      {!(de.m & DeviceEntityMask.DV_READONLY) && formatValue(de.ma)}
+                      {!(de.m & DeviceEntityMask.DV_READONLY) && formatLimit(de.ma)}
                     </Cell>
                     <Cell>{formatValue(de.v)}</Cell>
                   </Row>
diff --git a/interface/src/app/main/CustomizationsDialog.tsx b/interface/src/app/main/CustomizationsDialog.tsx
index d701487bb..bd2d78cc2 100644
--- a/interface/src/app/main/CustomizationsDialog.tsx
+++ b/interface/src/app/main/CustomizationsDialog.tsx
@@ -4,6 +4,7 @@ import CancelIcon from '@mui/icons-material/Cancel';
 import CloseIcon from '@mui/icons-material/Close';
 import DoneIcon from '@mui/icons-material/Done';
 import SettingsBackupRestoreIcon from '@mui/icons-material/SettingsBackupRestore';
+import WarningIcon from '@mui/icons-material/Warning';
 import {
   Box,
   Button,
@@ -12,7 +13,9 @@ import {
   DialogContent,
   DialogTitle,
   Grid,
+  InputAdornment,
   TextField,
+  Tooltip,
   Typography
 } from '@mui/material';
 
@@ -103,13 +106,25 @@ const CustomizationsDialog = ({
   };
 
   const remove = () => {
-    const next: DeviceEntity = { ...editItem, m: 0, c: false };
-    delete next.cn;
-    delete next.mi;
-    delete next.ma;
+    const next: DeviceEntity = { ...editItem, m: 0, cn: '', c: false };
+    if (editItem.mi !== undefined) {
+      next.mi = null;
+    }
+    if (editItem.ma !== undefined) {
+      next.ma = null;
+    }
     onSave(next);
   };
 
+  const limitAdornment = (cleared: boolean) =>
+    cleared ? (
+      <InputAdornment position="end">
+        <Tooltip title={LL.CUSTOMIZATIONS_LIMITS()}>
+          <WarningIcon color="warning" sx={{ fontSize: 16 }} />
+        </Tooltip>
+      </InputAdornment>
+    ) : undefined;
+
   return (
     <Dialog sx={dialogStyle} open={open} onClose={handleClose}>
       <DialogTitle>{`${LL.EDIT()} ${LL.ENTITY()}`}</DialogTitle>
@@ -150,20 +165,26 @@ const CustomizationsDialog = ({
                 <TextField
                   name="mi"
                   label={LL.MIN()}
-                  value={numberValue(editItem.mi)}
+                  value={typeof editItem.mi === 'number' ? numberValue(editItem.mi) : ''}
                   sx={{ width: '11ch' }}
                   type="number"
                   onChange={updateFormValue}
+                  slotProps={{
+                    input: { endAdornment: limitAdornment(editItem.mi === null) }
+                  }}
                 />
               </Grid>
               <Grid>
                 <TextField
                   name="ma"
                   label={LL.MAX()}
-                  value={numberValue(editItem.ma)}
+                  value={typeof editItem.ma === 'number' ? numberValue(editItem.ma) : ''}
                   sx={{ width: '11ch' }}
                   type="number"
                   onChange={updateFormValue}
+                  slotProps={{
+                    input: { endAdornment: limitAdornment(editItem.ma === null) }
+                  }}
                 />
               </Grid>
             </>
@@ -178,14 +199,16 @@ const CustomizationsDialog = ({
       </DialogContent>
 
       <DialogActions>
-        <Button
-          startIcon={<SettingsBackupRestoreIcon />}
-          variant="outlined"
-          onClick={remove}
-          color="error"
-        >
-          {LL.REMOVE()}
-        </Button>
+        {editItem.c && (
+          <Button
+            startIcon={<SettingsBackupRestoreIcon />}
+            variant="outlined"
+            onClick={remove}
+            color="error"
+          >
+            {LL.RESET()}
+          </Button>
+        )}
         <Box sx={{ flexGrow: 1 }} />
         <Button
           startIcon={<CancelIcon />}
diff --git a/interface/src/app/main/types.ts b/interface/src/app/main/types.ts
index 44290428f..34c5f8cab 100644
--- a/interface/src/app/main/types.ts
+++ b/interface/src/app/main/types.ts
@@ -172,8 +172,8 @@ export interface DeviceEntity {
   t?: string; // tag for name
   m: DeviceEntityMask; // mask
   w: boolean; // writeable
-  mi?: number; // min value
-  ma?: number; // max value
+  mi?: number | null; // min value; null means cleared and the original returns after restart
+  ma?: number | null; // max value; null means cleared and the original returns after restart
   c?: boolean; // true when a customization is saved (mask, name, or min/max)
   o_m?: number; // original mask before edits
   o_cn?: string; // original cn before edits
diff --git a/interface/src/i18n/cs/index.ts b/interface/src/i18n/cs/index.ts
index 87bbf911b..5fbb2b74e 100644
--- a/interface/src/i18n/cs/index.ts
+++ b/interface/src/i18n/cs/index.ts
@@ -42,6 +42,7 @@ const cs: Translation = {
   APPLY_CHANGES: 'Použít změny ({0})',
   UPDATE: 'Aktualizovat',
   REMOVE: 'Odebrat',
+  RESET: 'Obnovit',
   PROBLEM_UPDATING: 'Problém s aktualizací',
   PROBLEM_LOADING: 'Problém s načítáním',
   ANALOG_SENSOR: 'Analogový senzor',
@@ -133,6 +134,7 @@ const cs: Translation = {
   CUSTOMIZATIONS_RESTART: 'Všechna přizpůsobení byla odstraněna. Restartování...',
   CUSTOMIZATIONS_FULL: 'Vybrané entity překročily limit. Ukládejte je postupně',
   CUSTOMIZATIONS_SAVED: 'Přizpůsobení uloženo',
+  CUSTOMIZATIONS_LIMITS: 'Původní limity se vrátí po restartu',
   CUSTOMIZATIONS_HELP_1: 'Vyberte zařízení a přizpůsobte možnosti entit nebo klikněte pro přejmenování',
   CUSTOMIZATIONS_HELP_2: 'označit jako oblíbené',
   CUSTOMIZATIONS_HELP_3: 'zakázat akci zápisu',
diff --git a/interface/src/i18n/de/index.ts b/interface/src/i18n/de/index.ts
index 1abe46f99..c2652e96e 100644
--- a/interface/src/i18n/de/index.ts
+++ b/interface/src/i18n/de/index.ts
@@ -42,6 +42,7 @@ const de: Translation = {
   APPLY_CHANGES: 'Änderungen anwenden ({0})',
   UPDATE: 'Aktualisieren',
   REMOVE: 'Entfernen',
+  RESET: 'Zurücksetzen',
   PROBLEM_UPDATING: 'Problem beim Aktualisieren',
   PROBLEM_LOADING: 'Problem beim Laden',
   ANALOG_SENSOR: 'Analogsensor',
@@ -133,6 +134,7 @@ const de: Translation = {
   CUSTOMIZATIONS_RESTART: 'Alle Anpassungen wurden entfernt. Neustart...',
   CUSTOMIZATIONS_FULL: 'Ausgewählte Entitäten haben das Limit überschritten. Bitte stapelweise speichern!',
   CUSTOMIZATIONS_SAVED: 'Anpassungen gespeichert',
+  CUSTOMIZATIONS_LIMITS: 'Originalgrenzen gelten nach einem Neustart',
   CUSTOMIZATIONS_HELP_1: 'Wählen Sie ein Gerät aus und passen Sie die Entitäten mithilfe der Optionen an',
   CUSTOMIZATIONS_HELP_2: 'Als Favorit markieren',
   CUSTOMIZATIONS_HELP_3: 'Schreibaktion deaktivieren',
diff --git a/interface/src/i18n/en/index.ts b/interface/src/i18n/en/index.ts
index 96e19ef30..cdcd03a4c 100644
--- a/interface/src/i18n/en/index.ts
+++ b/interface/src/i18n/en/index.ts
@@ -42,6 +42,7 @@ const en: Translation = {
   APPLY_CHANGES: 'Apply Changes ({0})',
   UPDATE: 'Update',
   REMOVE: 'Remove',
+  RESET: 'Reset',
   PROBLEM_UPDATING: 'Problem updating',
   PROBLEM_LOADING: 'Problem loading',
   ANALOG_SENSOR: 'Analog Sensor',
@@ -133,6 +134,7 @@ const en: Translation = {
   CUSTOMIZATIONS_RESTART: 'All customizations have been removed. Restarting...',
   CUSTOMIZATIONS_FULL: 'Selected entities exceeded limit. Please save in batches',
   CUSTOMIZATIONS_SAVED: 'Customizations saved',
+  CUSTOMIZATIONS_LIMITS: 'Original limits return after restart',
   CUSTOMIZATIONS_HELP_1: 'Select a device and customize the entities options',
   CUSTOMIZATIONS_HELP_2: 'mark as favorite',
   CUSTOMIZATIONS_HELP_3: 'disable write action',
diff --git a/interface/src/i18n/fr/index.ts b/interface/src/i18n/fr/index.ts
index 841c34d63..bb0719c02 100644
--- a/interface/src/i18n/fr/index.ts
+++ b/interface/src/i18n/fr/index.ts
@@ -42,6 +42,7 @@ const fr: Translation = {
   APPLY_CHANGES: 'Appliquer les changements ({0})',
   UPDATE: 'Update',
   REMOVE: 'Enlever',
+  RESET: 'Réinitialiser',
   PROBLEM_UPDATING: 'Problème lors de la mise à jour',
   PROBLEM_LOADING: 'Problème lors du chargement',
   ANALOG_SENSOR: 'Capteur analogique',
@@ -133,6 +134,7 @@ const fr: Translation = {
   CUSTOMIZATIONS_RESTART: 'Toutes les personnalisations ont été supprimées. Redémarrage...',
   CUSTOMIZATIONS_FULL: 'Les entités sélectionnées ont dépassé la limite. Veuillez sauvegarder par lots',
   CUSTOMIZATIONS_SAVED: 'Personnalisations enregistrées',
+  CUSTOMIZATIONS_LIMITS: "Les limites d'origine reviennent après redémarrage",
   CUSTOMIZATIONS_HELP_1: 'Sélectionnez un appareil et personnalisez les options des entités ou cliquez pour renommer',
   CUSTOMIZATIONS_HELP_2: 'marquer comme favori',
   CUSTOMIZATIONS_HELP_3: "désactiver l'action d'écriture",
diff --git a/interface/src/i18n/it/index.ts b/interface/src/i18n/it/index.ts
index 7e364e252..a47953abf 100644
--- a/interface/src/i18n/it/index.ts
+++ b/interface/src/i18n/it/index.ts
@@ -42,6 +42,7 @@ const it: Translation = {
   APPLY_CHANGES: 'Applica Cambiamenti ({0})',
   UPDATE: 'Update',
   REMOVE: 'Elimina',
+  RESET: 'Reimposta',
   PROBLEM_UPDATING: 'Problema aggiornamento',
   PROBLEM_LOADING: 'Problema caricamento',
   ANALOG_SENSOR: 'Sensore Analogico',
@@ -133,6 +134,7 @@ const it: Translation = {
   CUSTOMIZATIONS_RESTART: 'Tutte le personalizzazioni sono state rimosse. Riavvio ...',
   CUSTOMIZATIONS_FULL: 'Le entità selezionate hanno superato il limite. Si prega di salvare in batch',
   CUSTOMIZATIONS_SAVED: 'Personalizzazioni salvate',
+  CUSTOMIZATIONS_LIMITS: 'I limiti originali tornano dopo il riavvio',
   CUSTOMIZATIONS_HELP_1: 'Seleziona un dispositivo e personalizza le opzioni delle entità o fai clic per rinominarlo',
   CUSTOMIZATIONS_HELP_2: 'seleziona come preferito',
   CUSTOMIZATIONS_HELP_3: 'disabilita azione scrittura',
diff --git a/interface/src/i18n/nl/index.ts b/interface/src/i18n/nl/index.ts
index c6e5998e1..c55e2cb49 100644
--- a/interface/src/i18n/nl/index.ts
+++ b/interface/src/i18n/nl/index.ts
@@ -42,6 +42,7 @@ const nl: Translation = {
   APPLY_CHANGES: 'Aanpassen ({0})',
   UPDATE: 'Update',
   REMOVE: 'Verwijderen',
+  RESET: 'Resetten',
   PROBLEM_UPDATING: 'Probleem met updaten',
   PROBLEM_LOADING: 'Probleem met laden',
   ANALOG_SENSOR: 'Analoge sensor',
@@ -133,6 +134,7 @@ const nl: Translation = {
   CUSTOMIZATIONS_RESTART: 'Alle custom profielen worden verwijderd. Herstarten...',
   CUSTOMIZATIONS_FULL: 'Te veel entiteiten geselecteerd. Sla op in delen aub',
   CUSTOMIZATIONS_SAVED: 'Custom aanpassingen opgeslagen',
+  CUSTOMIZATIONS_LIMITS: 'Originele limieten gelden na herstart',
   CUSTOMIZATIONS_HELP_1: 'Selecteer een apparaat en pas de entiteiten aan door middel van de opties',
   CUSTOMIZATIONS_HELP_2: 'Markeer als favoriet',
   CUSTOMIZATIONS_HELP_3: 'Zet schrijfacties uit',
diff --git a/interface/src/i18n/no/index.ts b/interface/src/i18n/no/index.ts
index b283f0513..4b6f39d4f 100644
--- a/interface/src/i18n/no/index.ts
+++ b/interface/src/i18n/no/index.ts
@@ -42,6 +42,7 @@ const no: Translation = {
   APPLY_CHANGES: 'Utfør endringer({0})',
   UPDATE: 'Oppdater',
   REMOVE: 'Fjern',
+  RESET: 'Tilbakestill',
   PROBLEM_UPDATING: 'Problem med oppdatering',
   PROBLEM_LOADING: 'Problem med opplasting',
   ANALOG_SENSOR: 'Analog Sensor',
@@ -133,6 +134,7 @@ const no: Translation = {
   CUSTOMIZATIONS_RESTART: 'Alle tilpasninger har blitt slettet. Restarter...',
   CUSTOMIZATIONS_FULL: 'Antall valgte objekter for høyt. Largre i mindre antall om gangen',
   CUSTOMIZATIONS_SAVED: 'Tilpasninger lagret',
+  CUSTOMIZATIONS_LIMITS: 'Opprinnelige grenser gjelder etter omstart',
   CUSTOMIZATIONS_HELP_1: 'Velg en enhet og tilpass underenheter med hjelp av alternativer eller velg å gi nytt navn',
   CUSTOMIZATIONS_HELP_2: 'merk som favoritt',
   CUSTOMIZATIONS_HELP_3: 'inaktiviser skriving',
diff --git a/interface/src/i18n/pl/index.ts b/interface/src/i18n/pl/index.ts
index 8f405c2bc..95cd76728 100644
--- a/interface/src/i18n/pl/index.ts
+++ b/interface/src/i18n/pl/index.ts
@@ -42,6 +42,7 @@ const pl: BaseTranslation = {
   APPLY_CHANGES: 'Zapisz zmiany ({0})',
   UPDATE: 'Zmień',
   REMOVE: 'Usuń',
+  RESET: 'Resetuj',
   PROBLEM_UPDATING: 'Problem z uaktualnieniem!',
   PROBLEM_LOADING: 'Problem z załadowaniem!',
   ANALOG_SENSOR: '{{u|u||ustawienia u|ustawień u}}rządzeni{{a podłączonego do EMS-ESP|e||a podłączonego do EMS-ESP|a podłączonego do EMS-ESP}}',
@@ -133,6 +134,7 @@ const pl: BaseTranslation = {
   CUSTOMIZATIONS_RESTART: 'Wszystkie personalizacje zostały usunięte. Restartuję...',
   CUSTOMIZATIONS_FULL: 'Wybrano za dużo obiektów. Wprowadzaj zmiany w mniejszych partiach.',
   CUSTOMIZATIONS_SAVED: 'Personalizacje zostały zapisane.',
+  CUSTOMIZATIONS_LIMITS: 'Oryginalne limity wrócą po restarcie',
   CUSTOMIZATIONS_HELP_1: 'Wybierz urządzenie EMS, a następnie dostosuj opcje lub kliknij na nazwie encji by tę nazwę zmienić',
   CUSTOMIZATIONS_HELP_2: 'oznacz jako ulubioną',
   CUSTOMIZATIONS_HELP_3: 'zablokuj akcje zapisu',
diff --git a/interface/src/i18n/sk/index.ts b/interface/src/i18n/sk/index.ts
index 3b4374c92..f1ba662fb 100644
--- a/interface/src/i18n/sk/index.ts
+++ b/interface/src/i18n/sk/index.ts
@@ -42,6 +42,7 @@ const sk: Translation = {
   APPLY_CHANGES: 'Aplikovať zmeny ({0})',
   UPDATE: 'Aktualizovať',
   REMOVE: 'Odstrániť',
+  RESET: 'Obnoviť',
   PROBLEM_UPDATING: 'Problém s aktualizáciou',
   PROBLEM_LOADING: 'Problém s načítaním',
   ANALOG_SENSOR: 'Analógový snímač',
@@ -133,6 +134,7 @@ const sk: Translation = {
   CUSTOMIZATIONS_RESTART: 'Ste si istí, že chcete reštartovať EMS-ESP?',
   CUSTOMIZATIONS_FULL: 'Vybrané subjekty prekročili limit. Prosím, ukladajte v dávkach',
   CUSTOMIZATIONS_SAVED: 'Uložené prispôsobenia',
+  CUSTOMIZATIONS_LIMITS: 'Pôvodné limity sa vrátia po reštarte',
   CUSTOMIZATIONS_HELP_1: 'Vyberte zariadenie a prispôsobte možnosti entít alebo kliknutím premenujte',
   CUSTOMIZATIONS_HELP_2: 'označiť ako obľúbené',
   CUSTOMIZATIONS_HELP_3: 'zakázať akciu zápisu',
diff --git a/interface/src/i18n/sv/index.ts b/interface/src/i18n/sv/index.ts
index 4a455ffb7..3321e2a46 100644
--- a/interface/src/i18n/sv/index.ts
+++ b/interface/src/i18n/sv/index.ts
@@ -42,6 +42,7 @@ const sv: Translation = {
   APPLY_CHANGES: 'Utför ändringar ({0})',
   UPDATE: 'Uppdatera',
   REMOVE: 'Ta bort',
+  RESET: 'Återställ',
   PROBLEM_UPDATING: 'Problem vid uppdatering',
   PROBLEM_LOADING: 'Problem vid hämtning',
   ANALOG_SENSOR: 'analog sensor',
@@ -133,6 +134,7 @@ const sv: Translation = {
   CUSTOMIZATIONS_RESTART: 'Alla anpassningar har raderats. Startar om...',
   CUSTOMIZATIONS_FULL: 'För många valda enheter. Vänligen spara ett mindre antal åt gången.',
   CUSTOMIZATIONS_SAVED: 'Anpassningarna är sparade',
+  CUSTOMIZATIONS_LIMITS: 'Originalgränserna gäller efter omstart',
   CUSTOMIZATIONS_HELP_1: 'Välj en enhet och anpassa entiteter med hjälp av alternativen',
   CUSTOMIZATIONS_HELP_2: 'Favorit',
   CUSTOMIZATIONS_HELP_3: 'Skrivskyddad',
diff --git a/interface/src/i18n/tr/index.ts b/interface/src/i18n/tr/index.ts
index 5cdb2fad5..d9d69c2b3 100644
--- a/interface/src/i18n/tr/index.ts
+++ b/interface/src/i18n/tr/index.ts
@@ -42,6 +42,7 @@ const tr: Translation = {
   APPLY_CHANGES: 'Değişiklikleri Uygula ({0})',
   UPDATE: 'Update',
   REMOVE: 'Kaldır',
+  RESET: 'Sıfırla',
   PROBLEM_UPDATING: 'Güncelleme Sorunu',
   PROBLEM_LOADING: 'Yükleme Sorunu',
   ANALOG_SENSOR: 'Analog Sensör',
@@ -133,6 +134,7 @@ const tr: Translation = {
   CUSTOMIZATIONS_RESTART: 'Bütün özelleştirmeler kaldırıldı. Yeniden başlatılıyor...',
   CUSTOMIZATIONS_FULL: 'Seçilen varlıklar sınırı aşmaktadır. Lütfen parçalar halinde kaydedin',
   CUSTOMIZATIONS_SAVED: 'Özelleştirmeler kaydedildi',
+  CUSTOMIZATIONS_LIMITS: 'Orijinal sınırlar yeniden başlatınca döner',
   CUSTOMIZATIONS_HELP_1: 'Bir cihaz seçip varlıkların seçeneklerini özelleştirin veya yeniden adlandırmak için tıklayın',
   CUSTOMIZATIONS_HELP_2: 'favori olarak işaretle',
   CUSTOMIZATIONS_HELP_3: 'yazma işlemini devre dışı bırak',
diff --git a/mock-api/restServer.ts b/mock-api/restServer.ts
index aa2470b60..bbe784736 100644
--- a/mock-api/restServer.ts
+++ b/mock-api/restServer.ts
@@ -4444,6 +4444,8 @@ const emsesp_deviceentities_4 = [
     n: 'hc2 selected room temperature',
     id: 'hc2/seltemp',
     m: 8,
+    mi: 5,
+    ma: 30,
     w: true
   },
   {
@@ -4466,8 +4468,8 @@ const emsesp_deviceentities_7 = [
   { u: 0, n: '!reset', id: 'reset', m: 8, w: false },
   { v: false, n: 'heating active', id: 'heatingactive', m: 8, w: false },
   { v: false, n: 'tapwater active', id: 'tapwateractive', m: 4, w: false },
-  { v: 5, n: 'selected flow temperature', id: 'selflowtemp', m: 4, w: true },
-  { v: 0, n: 'burner selected max power', id: 'selburnpow', m: 14, w: true },
+  { v: 5, n: 'selected flow temperature', id: 'selflowtemp', m: 8, mi: 0, ma: 90, c: true, w: true },
+  { v: 0, n: 'burner selected max power', id: 'selburnpow', m: 14, mi: 0, ma: 100, w: true },
   { v: 0, n: 'heating pump modulation', id: 'heatingpumpmod', m: 0, w: false },
   { n: 'heating pump 2 modulation', id: 'heatingpump2mod', m: 0, w: false },
   { n: 'outside temperature', id: 'outdoortemp', m: 0, w: false },
@@ -4485,16 +4487,16 @@ const emsesp_deviceentities_7 = [
   { v: false, n: 'ignition', id: 'ignwork', m: 0, w: false },
   { v: false, n: 'oil preheating', id: 'oilpreheat', m: 0, w: false },
   { v: true, n: 'heating activated', id: 'heatingactivated', m: 0, w: false },
-  { v: 80, n: 'heating temperature', id: 'heatingtemp', m: 0, w: false },
-  { v: 70, n: 'burner pump max power', id: 'pumpmodmax', m: 0, w: false },
+  { v: 80, n: 'heating temperature', id: 'heatingtemp', m: 0, mi: 30, ma: 82, w: true },
+  { v: 70, n: 'burner pump max power', id: 'pumpmodmax', m: 0, mi: 10, ma: 100, w: true },
   { v: 30, n: 'burner pump min power', id: 'pumpmodmin', m: 0, w: false },
   { v: 1, n: 'pump delay', id: 'pumpdelay', m: 0, w: false },
   { v: 10, n: 'burner min period', id: 'burnminperiod', m: 0, w: false },
   { v: 0, n: 'burner min power', id: 'burnminpower', m: 0, w: false },
-  { v: 50, n: 'burner max power', id: 'burnmaxpower', m: 0, w: false },
+  { v: 50, n: 'burner max power', id: 'burnmaxpower', m: 0, mi: 0, ma: 100, w: true },
   { v: -6, n: 'hysteresis on temperature', id: 'boilhyston', m: 0, w: false },
   { v: 6, n: 'hysteresis off temperature', id: 'boilhystoff', m: 0, w: false },
-  { v: 0, n: 'set flow temperature', id: 'setflowtemp', m: 0, w: true },
+  { v: 0, n: 'set flow temperature', id: 'setflowtemp', m: 0, mi: 0, ma: 90, w: true },
   { v: 0, n: 'burner set power', id: 'setburnpow', m: 0, w: false },
   { v: 0, n: 'burner current power', id: 'curburnpow', m: 0, w: false },
   { v: 326323, n: 'burner starts', id: 'burnstarts', m: 0, w: false },