diff --git a/esphome/components/micronova/__init__.py b/esphome/components/micronova/__init__.py
index 11213e82c5..637d0eb168 100644
--- a/esphome/components/micronova/__init__.py
+++ b/esphome/components/micronova/__init__.py
@@ -63,12 +63,14 @@ def MICRONOVA_ADDRESS_SCHEMA(
     schema = cv.Schema(
         {
             cv.GenerateID(CONF_MICRONOVA_ID): cv.use_id(MicroNova),
+            # On write requests the write bit (0x80) is added automatically to the location
+            # Therefore no locations >= 0x80 are allowed
             cv.Optional(
                 CONF_MEMORY_LOCATION, default=default_memory_location
-            ): cv.hex_int_range(),
+            ): cv.hex_int_range(min=0x00, max=0x79),
             cv.Optional(
                 CONF_MEMORY_ADDRESS, default=default_memory_address
-            ): cv.hex_int_range(),
+            ): cv.hex_int_range(min=0x00, max=0xFF),
         }
     )
     if is_polling_component:
diff --git a/esphome/components/micronova/button/__init__.py b/esphome/components/micronova/button/__init__.py
index dd57c9ec4f..38fee2f561 100644
--- a/esphome/components/micronova/button/__init__.py
+++ b/esphome/components/micronova/button/__init__.py
@@ -25,7 +25,7 @@ CONFIG_SCHEMA = cv.Schema(
         )
         .extend(
             MICRONOVA_ADDRESS_SCHEMA(
-                default_memory_location=0xA0,
+                default_memory_location=0x20,
                 default_memory_address=0x7D,
                 is_polling_component=False,
             )
diff --git a/esphome/components/micronova/micronova.cpp b/esphome/components/micronova/micronova.cpp
index 7343bc90ba..22daef4fe6 100644
--- a/esphome/components/micronova/micronova.cpp
+++ b/esphome/components/micronova/micronova.cpp
@@ -3,6 +3,9 @@
 
 namespace esphome::micronova {
 
+static const int STOVE_REPLY_DELAY = 60;
+static const uint8_t WRITE_BIT = 1 << 7;  // 0x80
+
 void MicroNovaBaseListener::dump_base_config() {
   ESP_LOGCONFIG(TAG,
                 "  Memory Location: %02X\n"
@@ -125,7 +128,8 @@ void MicroNova::write_address(uint8_t location, uint8_t address, uint8_t data) {
   uint16_t checksum = 0;
 
   if (this->reply_pending_mutex_.try_lock()) {
-    write_data[0] = location;
+    uint8_t write_location = location | WRITE_BIT;
+    write_data[0] = write_location;
     write_data[1] = address;
     write_data[2] = data;
 
@@ -140,7 +144,7 @@ void MicroNova::write_address(uint8_t location, uint8_t address, uint8_t data) {
     this->enable_rx_pin_->digital_write(false);
 
     this->current_transmission_.request_transmission_time = millis();
-    this->current_transmission_.memory_location = location;
+    this->current_transmission_.memory_location = write_location;
     this->current_transmission_.memory_address = address;
     this->current_transmission_.reply_pending = true;
     this->current_transmission_.initiating_listener = nullptr;
diff --git a/esphome/components/micronova/micronova.h b/esphome/components/micronova/micronova.h
index c5a5ba4f4e..a2eee81be8 100644
--- a/esphome/components/micronova/micronova.h
+++ b/esphome/components/micronova/micronova.h
@@ -11,7 +11,6 @@
 namespace esphome::micronova {
 
 static const char *const TAG = "micronova";
-static const int STOVE_REPLY_DELAY = 60;
 
 enum class MicroNovaFunctions {
   STOVE_FUNCTION_VOID = 0,
diff --git a/esphome/components/micronova/number/__init__.py b/esphome/components/micronova/number/__init__.py
index ec994a5aa5..07023e618c 100644
--- a/esphome/components/micronova/number/__init__.py
+++ b/esphome/components/micronova/number/__init__.py
@@ -17,7 +17,6 @@ ICON_FLASH = "mdi:flash"
 
 CONF_THERMOSTAT_TEMPERATURE = "thermostat_temperature"
 CONF_POWER_LEVEL = "power_level"
-CONF_MEMORY_WRITE_LOCATION = "memory_write_location"
 
 MicroNovaNumber = micronova_ns.class_(
     "MicroNovaNumber", number.Number, MicroNovaListener
@@ -40,25 +39,18 @@ CONFIG_SCHEMA = cv.Schema(
         )
         .extend(
             {
-                cv.Optional(
-                    CONF_MEMORY_WRITE_LOCATION, default=0xA0
-                ): cv.hex_int_range(),
                 cv.Optional(CONF_STEP, default=1.0): cv.float_range(min=0.1, max=10.0),
             }
         ),
         cv.Optional(CONF_POWER_LEVEL): number.number_schema(
             MicroNovaNumber,
             icon=ICON_FLASH,
-        )
-        .extend(
+        ).extend(
             MICRONOVA_ADDRESS_SCHEMA(
                 default_memory_location=0x20,
                 default_memory_address=0x7F,
                 is_polling_component=True,
             )
-        )
-        .extend(
-            {cv.Optional(CONF_MEMORY_WRITE_LOCATION, default=0xA0): cv.hex_int_range()}
         ),
     }
 )
@@ -81,11 +73,6 @@ async def to_code(config):
             MicroNovaFunctions.STOVE_FUNCTION_THERMOSTAT_TEMPERATURE,
         )
         cg.add(numb.set_micronova_object(mv))
-        cg.add(
-            numb.set_memory_write_location(
-                thermostat_temperature_config.get(CONF_MEMORY_WRITE_LOCATION)
-            )
-        )
 
     if power_level_config := config.get(CONF_POWER_LEVEL):
         numb = await number.new_number(
@@ -98,8 +85,3 @@ async def to_code(config):
             mv, numb, power_level_config, MicroNovaFunctions.STOVE_FUNCTION_POWER_LEVEL
         )
         cg.add(numb.set_micronova_object(mv))
-        cg.add(
-            numb.set_memory_write_location(
-                power_level_config.get(CONF_MEMORY_WRITE_LOCATION)
-            )
-        )
diff --git a/esphome/components/micronova/number/micronova_number.cpp b/esphome/components/micronova/number/micronova_number.cpp
index 66e81e98b7..c71d819ad6 100644
--- a/esphome/components/micronova/number/micronova_number.cpp
+++ b/esphome/components/micronova/number/micronova_number.cpp
@@ -36,7 +36,7 @@ void MicroNovaNumber::control(float value) {
     default:
       break;
   }
-  this->micronova_->write_address(this->memory_write_location_, this->memory_address_, new_number);
+  this->micronova_->write_address(this->memory_location_, this->memory_address_, new_number);
   this->micronova_->request_update_listeners();
 }
 
diff --git a/esphome/components/micronova/number/micronova_number.h b/esphome/components/micronova/number/micronova_number.h
index e1545bb35a..391765b730 100644
--- a/esphome/components/micronova/number/micronova_number.h
+++ b/esphome/components/micronova/number/micronova_number.h
@@ -18,12 +18,6 @@ class MicroNovaNumber : public number::Number, public MicroNovaListener {
     this->micronova_->request_address(this->memory_location_, this->memory_address_, this);
   }
   void process_value_from_stove(int value_from_stove) override;
-
-  void set_memory_write_location(uint8_t l) { this->memory_write_location_ = l; }
-  uint8_t get_memory_write_location() { return this->memory_write_location_; }
-
- protected:
-  uint8_t memory_write_location_ = 0;
 };
 
 }  // namespace esphome::micronova
diff --git a/esphome/components/micronova/switch/__init__.py b/esphome/components/micronova/switch/__init__.py
index 006ada92aa..c6897d8e5c 100644
--- a/esphome/components/micronova/switch/__init__.py
+++ b/esphome/components/micronova/switch/__init__.py
@@ -28,7 +28,7 @@ CONFIG_SCHEMA = cv.Schema(
         )
         .extend(
             MICRONOVA_ADDRESS_SCHEMA(
-                default_memory_location=0x80,
+                default_memory_location=0x00,
                 default_memory_address=0x21,
                 is_polling_component=False,
             )
diff --git a/tests/components/micronova/common.yaml b/tests/components/micronova/common.yaml
index 73456aa199..660970350a 100644
--- a/tests/components/micronova/common.yaml
+++ b/tests/components/micronova/common.yaml
@@ -5,7 +5,7 @@ button:
   - platform: micronova
     custom_button:
       name: Custom Micronova Button
-      memory_location: 0xA0
+      memory_location: 0x20
       memory_address: 0x7D
       memory_data: 0x0F