diff --git a/main.py b/main.py
index 4ff99d0..49d5f40 100644
--- a/main.py
+++ b/main.py
@@ -208,6 +208,11 @@ def send_command(state: str, pu_number: int, ploop_setpoint: float = Query(...))
 
     logging.info(f"Sending state '{state}' to PU {pu_number}")
 
+    if state == "PRE-PRODUCTION":
+        valve_backend.send_command(70)
+    elif "IDLE":
+        valve_backend.send_command(0)
+
     try:
         can_backend.send_state_command(state, pu_number, ploop_setpoint)
         current_state = can_backend.read_current_state(pu_number)