Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -ra7bf3ca23ea37a61000379facae628a31b3ecc59 -r05e516dc17597cee29c89e5eee25caed055f1151
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision a7bf3ca23ea37a61000379facae628a31b3ecc59)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 05e516dc17597cee29c89e5eee25caed055f1151)
@@ -94,6 +94,14 @@
     U32 fillToVolumeMl;
     U32 drainToVolumeMl;
 } RESERVOIR_DATA_T;
+
+typedef struct
+{
+    F32 cpi;
+    F32 cpo;
+    F32 cd1;
+    F32 cd2;
+} CONDUCTIVITY_DATA_T;
 
 typedef struct
 {
@@ -661,6 +669,43 @@
 
     return result;
 }
+
+
+/*************************************************************************
+ * @brief
+ * The broadcastConductivityData function sends out conductivity data.
+ * @details
+ * Inputs : none
+ * Outputs : conductivity data msg constructed and queued
+ * @param inlet : water inlet conductivity data.
+ * @param outlet : water outlet conductivity data.
+ * @return TRUE if msg successfully queued for transmit, FALSE if not
+ *************************************************************************/
+BOOL broadcastConductivityData( F32 inlet, F32 outlet, F32 cd1, F32 cd2 )
+{
+    BOOL result;
+    MESSAGE_T msg;
+    U08 *payloadPtr = msg.payload;
+    CONDUCTIVITY_DATA_T payload;
+
+    // create a message record
+    blankMessage( &msg );
+    msg.hdr.msgID = MSG_ID_DG_CONDUCTIVITY_DATA;
+    msg.hdr.payloadLen = sizeof( CONDUCTIVITY_DATA_T );
+
+    payload.cpi = inlet;
+    payload.cpo = outlet;
+    payload.cd1 = cd1;
+    payload.cd2 = cd2;
+
+    memcpy( payloadPtr, &payload, sizeof( CONDUCTIVITY_DATA_T ) );
+
+    // serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
+    result = serializeMessage( msg, COMM_BUFFER_OUT_CAN_DG_BROADCAST, ACK_NOT_REQUIRED );
+
+    return result;
+}
+
 
 // ***********************************************************************
 // **************** Message Handling Helper Functions ********************