diff --git a/Mk2_3phase_RFdatalog_temp/config.h b/Mk2_3phase_RFdatalog_temp/config.h
index 2d3c1493..4adb915c 100644
--- a/Mk2_3phase_RFdatalog_temp/config.h
+++ b/Mk2_3phase_RFdatalog_temp/config.h
@@ -27,6 +27,9 @@
 #include "debug.h"
 #include "types.h"
 
+#include "utils_relay.h"
+#include "utils_temp.h"
+
 //--------------------------------------------------------------------------------------------------
 // constants which must be set individually for each system
 //
diff --git a/Mk2_3phase_RFdatalog_temp/types.h b/Mk2_3phase_RFdatalog_temp/types.h
index 845d5401..f9a232d5 100644
--- a/Mk2_3phase_RFdatalog_temp/types.h
+++ b/Mk2_3phase_RFdatalog_temp/types.h
@@ -67,150 +67,6 @@ template< uint8_t N = 3, uint8_t S = 0 > class PayloadTx_struct
   int16_t temperature_x100[S]; /**< temperature in 100th of °C */
 };
 
-/**
- * @brief Config parameters for relay diversion
- * 
- */
-class relayConfig
-{
-public:
-  constexpr relayConfig() = default;
-
-  /**
-   * @brief Construct a new relay Config object
-   * 
-   * @param _surplusThreshold Surplus threshold to turn relay ON
-   * @param _importThreshold Import threshold to turn relay OFF
-   */
-  constexpr relayConfig(int16_t _surplusThreshold, int16_t _importThreshold)
-    : surplusThreshold(abs(_surplusThreshold)), importThreshold(abs(_importThreshold))
-  {
-  }
-
-  /**
-   * @brief Construct a new relay Config object
-   * 
-   * @param _surplusThreshold Surplus threshold to turn relay ON
-   * @param _importThreshold Import threshold to turn relay OFF
-   * @param _minON Minimum duration to leave relay ON
-   * @param _minOFF Minimum duration in minutes to l
-   */
-  constexpr relayConfig(int16_t _surplusThreshold, int16_t _importThreshold, uint16_t _minON, uint16_t _minOFF)
-    : surplusThreshold(abs(_surplusThreshold)), importThreshold(abs(_importThreshold)), minON(_minON * 60), minOFF(_minOFF * 60)
-  {
-  }
-
-  /**
-   * @brief Get the surplus threshold which will turns ON the relay
-   * 
-   * @return constexpr auto 
-   */
-  constexpr auto get_surplusThreshold() const
-  {
-    return surplusThreshold;
-  }
-
-  /**
-   * @brief Get the import threshold which will turns OFF the relay
-   * 
-   * @return constexpr auto 
-   */
-  constexpr auto get_importThreshold() const
-  {
-    return importThreshold;
-  }
-
-  /**
-   * @brief Get the minimum ON-time
-   * 
-   * @return constexpr auto 
-   */
-  constexpr auto get_minON() const
-  {
-    return minON;
-  }
-
-  /**
-   * @brief Get the minimum OFF-time
-   * 
-   * @return constexpr auto 
-   */
-  constexpr auto get_minOFF() const
-  {
-    return minOFF;
-  }
-
-  /**
-   * @brief Increment the duration of the current state
-   * 
-   */
-  void inc_duration()
-  {
-    ++duration;
-  }
-
-  /**
-   * @brief Proceed with the relay
-   * 
-   * @param currentAvgPower Current sliding average power
-   */
-  void proceed_relay(int16_t currentAvgPower)
-  {
-    if (currentAvgPower > surplusThreshold)
-    {
-      try_turnON();
-    }
-    else if (-currentAvgPower > importThreshold)
-    {
-      try_turnOFF();
-    }
-  }
-
-private:
-  /**
-   * @brief Turn ON the relay if the 'time' condition is met
-   * 
-   */
-  void try_turnON()
-  {
-    if (relayState)
-    {
-      return;
-    }
-    if (duration > minOFF)
-    {
-      relayState = true;
-      duration = 0;
-    }
-  }
-
-  /**
-   * @brief Turn OFF the relay if the 'time' condition is met
-   * 
-   */
-  void try_turnOFF()
-  {
-    if (!relayState)
-    {
-      return;
-    }
-    if (duration > minON)
-    {
-      relayState = false;
-      duration = 0;
-    }
-  }
-
-private:
-  int16_t surplusThreshold{ 1000 }; /**< Surplus threshold to turn relay ON */
-  int16_t importThreshold{ 200 };   /**< Import threshold to turn relay OFF */
-  uint16_t minON{ 5 * 60 };         /**< Minimum duration in seconds the relay is turned ON */
-  uint16_t minOFF{ 5 * 60 };        /**< Minimum duration in seconds the relay is turned OFF */
-
-  uint16_t duration{ 0 };           /**< Duration of the current state */
-  bool relayState{ false };         /**< State of the relay */
-};
-
 /** @brief Config parameters for overriding a load
  *  @details This class allows the user to define when and how long a load will be forced at
  *           full power during off-peak period.
@@ -248,9 +104,6 @@ class pairForceLoad
   uint16_t uiDuration{ UINT16_MAX }; /**< the duration for overriding the load in hours or minutes */
 };
 
-using ScratchPad = uint8_t[9];
-using DeviceAddress = uint8_t[8];
-
 /**
  * @brief Helper function to retrieve the dimension of a C-array
  * 
diff --git a/Mk2_3phase_RFdatalog_temp/utils_relay.h b/Mk2_3phase_RFdatalog_temp/utils_relay.h
index f6bb0e45..14fc49d5 100644
--- a/Mk2_3phase_RFdatalog_temp/utils_relay.h
+++ b/Mk2_3phase_RFdatalog_temp/utils_relay.h
@@ -14,4 +14,148 @@
 
 #include "types.h"
 
+/**
+ * @brief Config parameters for relay diversion
+ * 
+ */
+class relayConfig
+{
+public:
+  constexpr relayConfig() = default;
+
+  /**
+   * @brief Construct a new relay Config object
+   * 
+   * @param _surplusThreshold Surplus threshold to turn relay ON
+   * @param _importThreshold Import threshold to turn relay OFF
+   */
+  constexpr relayConfig(int16_t _surplusThreshold, int16_t _importThreshold)
+    : surplusThreshold(abs(_surplusThreshold)), importThreshold(abs(_importThreshold))
+  {
+  }
+
+  /**
+   * @brief Construct a new relay Config object
+   * 
+   * @param _surplusThreshold Surplus threshold to turn relay ON
+   * @param _importThreshold Import threshold to turn relay OFF
+   * @param _minON Minimum duration to leave relay ON
+   * @param _minOFF Minimum duration in minutes to l
+   */
+  constexpr relayConfig(int16_t _surplusThreshold, int16_t _importThreshold, uint16_t _minON, uint16_t _minOFF)
+    : surplusThreshold(abs(_surplusThreshold)), importThreshold(abs(_importThreshold)), minON(_minON * 60), minOFF(_minOFF * 60)
+  {
+  }
+
+  /**
+   * @brief Get the surplus threshold which will turns ON the relay
+   * 
+   * @return constexpr auto 
+   */
+  constexpr auto get_surplusThreshold() const
+  {
+    return surplusThreshold;
+  }
+
+  /**
+   * @brief Get the import threshold which will turns OFF the relay
+   * 
+   * @return constexpr auto 
+   */
+  constexpr auto get_importThreshold() const
+  {
+    return importThreshold;
+  }
+
+  /**
+   * @brief Get the minimum ON-time
+   * 
+   * @return constexpr auto 
+   */
+  constexpr auto get_minON() const
+  {
+    return minON;
+  }
+
+  /**
+   * @brief Get the minimum OFF-time
+   * 
+   * @return constexpr auto 
+   */
+  constexpr auto get_minOFF() const
+  {
+    return minOFF;
+  }
+
+  /**
+   * @brief Increment the duration of the current state
+   * 
+   */
+  void inc_duration()
+  {
+    ++duration;
+  }
+
+  /**
+   * @brief Proceed with the relay
+   * 
+   * @param currentAvgPower Current sliding average power
+   */
+  void proceed_relay(int16_t currentAvgPower)
+  {
+    if (currentAvgPower > surplusThreshold)
+    {
+      try_turnON();
+    }
+    else if (-currentAvgPower > importThreshold)
+    {
+      try_turnOFF();
+    }
+  }
+
+private:
+  /**
+   * @brief Turn ON the relay if the 'time' condition is met
+   * 
+   */
+  void try_turnON()
+  {
+    if (relayState)
+    {
+      return;
+    }
+    if (duration > minOFF)
+    {
+      relayState = true;
+      duration = 0;
+    }
+  }
+
+  /**
+   * @brief Turn OFF the relay if the 'time' condition is met
+   * 
+   */
+  void try_turnOFF()
+  {
+    if (!relayState)
+    {
+      return;
+    }
+    if (duration > minON)
+    {
+      relayState = false;
+      duration = 0;
+    }
+  }
+
+private:
+  int16_t surplusThreshold{ 1000 }; /**< Surplus threshold to turn relay ON */
+  int16_t importThreshold{ 200 };   /**< Import threshold to turn relay OFF */
+  uint16_t minON{ 5 * 60 };         /**< Minimum duration in seconds the relay is turned ON */
+  uint16_t minOFF{ 5 * 60 };        /**< Minimum duration in seconds the relay is turned OFF */
+
+  uint16_t duration{ 0 };           /**< Duration of the current state */
+  bool relayState{ false };         /**< State of the relay */
+};
+
 #endif  // _UTILS_RELAY_H
\ No newline at end of file
diff --git a/Mk2_3phase_RFdatalog_temp/utils_temp.h b/Mk2_3phase_RFdatalog_temp/utils_temp.h
index b5453ab2..7750aa5b 100644
--- a/Mk2_3phase_RFdatalog_temp/utils_temp.h
+++ b/Mk2_3phase_RFdatalog_temp/utils_temp.h
@@ -14,8 +14,9 @@
 
 #include "config.h"
 #include "constants.h"
-#include "dualtariff.h"
-#include "processing.h"
+
+using ScratchPad = uint8_t[9];
+using DeviceAddress = uint8_t[8];
 
 inline int16_t readTemperature(const DeviceAddress &deviceAddress);
 inline void requestTemperatures();