Index: TD_AirTrap/loader.py
===================================================================
diff -u -rf05537cca2e7e054a5124d4f5f9ed3ad26264458 -r6cb400a434d041af1019837967bc14cbb8137bdd
--- TD_AirTrap/loader.py	(.../loader.py)	(revision f05537cca2e7e054a5124d4f5f9ed3ad26264458)
+++ TD_AirTrap/loader.py	(.../loader.py)	(revision 6cb400a434d041af1019837967bc14cbb8137bdd)
@@ -80,7 +80,7 @@
         upper_level_raw = self.upper_level_raw.value()
         valve_state = self.valve_state.value()
 
-        controlling = self.control.isChecked()
+        controlling = int(self.control.isChecked())
         # print(f"{low_level}\n{upper_level}\n{lower_level_raw}\n{upper_level_raw}\n{valve_state}\n{controlling}")
         self.td_interface.td_air_trap(
             low_level,