Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rd110e0ed1d67e15d968a64da61c2535965ed1321 -r7336ffd91e991f7156b01a7f15ed2afd85b62f80
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision d110e0ed1d67e15d968a64da61c2535965ed1321)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 7336ffd91e991f7156b01a7f15ed2afd85b62f80)
@@ -1993,4 +1993,36 @@
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
 }
 
+/*********************************************************************//**
+ * @brief
+ * The handleConcentratePumpPublishIntervalOverride function handles a request
+ * to override a concentrate pump's publish interval value.
+ * @details Inputs: none
+ * @details Outputs: message handled
+ * @param message a pointer to the message to handle
+ * @return none
+ *************************************************************************/
+void handleConcentratePumpPublishIntervalOverride( MESSAGE_T *message )
+{
+    TEST_OVERRIDE_PAYLOAD_T payload;
+    BOOL result = FALSE;
+
+    // verify payload length
+    if ( sizeof( TEST_OVERRIDE_PAYLOAD_T ) == message->hdr.payloadLen )
+    {
+        memcpy( &payload, message->payload, sizeof( TEST_OVERRIDE_PAYLOAD_T ) );
+        if ( FALSE == payload.reset )
+        {
+            result = testSetConcentratePumpDataPublishIntervalOverride( payload.state.u32 );
+        }
+        else
+        {
+            result = testResetConcentratePumpDataPublishIntervalOverride();
+        }
+    }
+
+    // respond to request
+    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
+}
+
 /**@}*/