Index: leahi_dialin/dd/modules/valves.py
===================================================================
diff -u -rf4c08ccd4729e3e1758ab4d7bc2723a66ffec3c1 -r03936b9327b52b7ea33aecb5aa2129f33583bc35
--- leahi_dialin/dd/modules/valves.py	(.../valves.py)	(revision f4c08ccd4729e3e1758ab4d7bc2723a66ffec3c1)
+++ leahi_dialin/dd/modules/valves.py	(.../valves.py)	(revision 03936b9327b52b7ea33aecb5aa2129f33583bc35)
@@ -398,3 +398,36 @@
         else:
             self.logger.debug("Timeout!!!!")
             return False
+
+
+    def cmd_valve_set_open_close(self, valve: int, state: int) -> int:
+        """
+        Constructs and sends the valve open close command
+
+        @param valve: unsigned int - dialysate pump ID
+        @param command:  int - value to command the dialysate pump
+        @param speed:  integer - rpm to set the speed to
+        @return: 1 if successful, zero otherwise
+
+        """
+
+        vlv = integer_to_bytearray(valve)
+        sts = integer_to_bytearray(state)
+        payload = vlv + sts
+
+        message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_dd_ch_id,
+                                              message_id=MsgIds.MSG_ID_DD_VALVES_OPEN_CLOSE_STATE_OVERRIDE_REQUEST.value,
+                                              payload=payload)
+
+        self.logger.debug("setting " + str(state) + " - for valve: " + str(valve))
+
+        # Send message
+        received_message = self.can_interface.send(message)
+
+        # If there is content...
+        if received_message is not None:
+            # response payload is OK or not OK
+            return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX]
+        else:
+            self.logger.error("Timeout!!!!")
+            return False
\ No newline at end of file