Index: leahi_dialin/dd/modules/heaters.py
===================================================================
diff -u -reff35c7c93f5a6f24510f54bcaa7e32011ecd92e -rc911f3b6e212249136baf0e45b614a2f5be2b190
--- leahi_dialin/dd/modules/heaters.py	(.../heaters.py)	(revision eff35c7c93f5a6f24510f54bcaa7e32011ecd92e)
+++ leahi_dialin/dd/modules/heaters.py	(.../heaters.py)	(revision c911f3b6e212249136baf0e45b614a2f5be2b190)
@@ -67,8 +67,8 @@
         self.can_interface = can_interface
         self.logger = logger
 
-        self.main_primary_heater_duty_cycle = 0
-        self.trimmer_heater_duty_cycle = 0
+        self.main_primary_heater_duty_cycle = 0.0
+        self.trimmer_heater_duty_cycle = 0.0
         self.primary_heaters_target_temperature = 0.0
         self.trimmer_heater_target_temperature = 0.0
         self.primary_heater_state = 0
@@ -180,10 +180,9 @@
 
     def cmd_heater_start_stop_override(self, heater: int, command: int, temperature: float) -> int:
         """
-        Constructs and sends heater duty cycle override command
-            Must be logged into DG
-            There must be a minimum flow available for the heaters (FMP for primary and FMD for trimmer)
+        Constructs and sends heater start stop override
 
+
         @param heater the heater to override its value (primary, trimmer) (0-1.0 order)
         @param command the heater to start or stop
         @param temperature: float - temp to set to
@@ -192,7 +191,7 @@
         htr = integer_to_bytearray(heater)
         cmd = integer_to_bytearray(command)
         tmp = float_to_bytearray(temperature)
-        payload = tmp + cmd + htr
+        payload = htr + cmd + tmp
 
         message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_dd_ch_id,
                                               message_id=MsgIds.MSG_ID_DD_HEATERS_START_STOP_OVERRIDE_REQUEST.value,
@@ -209,3 +208,31 @@
             self.logger.debug("Timeout!!!!")
             return False
 
+    def cmd_heater_target_temperature_override(self, heater: int, temperature: float, reset: int) -> int:
+        """
+        Constructs and sends heater set target temperture override
+
+        @param heater the heater to override its value (primary, trimmer) (0-1.0 order)
+        @param temperature: float - temp to set to
+        @param reset: (int) 1 to reset a previous override, 0 to override
+        @returns 1 if successful, zero otherwise
+        """
+        htr = integer_to_bytearray(heater)
+        tmp = float_to_bytearray(temperature)
+        rst = integer_to_bytearray(reset)
+        payload = rst + tmp + htr
+
+        message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_dd_ch_id,
+                                              message_id=MsgIds.MSG_ID_DD_HEATERS_TARGET_TEMPERATURE_OVERRIDE_REQUEST.value,
+                                              payload=payload)
+
+        # Send message
+        received_message = self.can_interface.send(message)
+
+        # If there is content in message
+        if received_message is not None:
+            # Response payload is OK or not
+            return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX]
+        else:
+            self.logger.debug("Timeout!!!!")
+            return False
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