diff --git a/pytec/pytec/gui/model/pid_autotuner.py b/pytec/pytec/gui/model/pid_autotuner.py
index f9104ad..676d88f 100644
--- a/pytec/pytec/gui/model/pid_autotuner.py
+++ b/pytec/pytec/gui/model/pid_autotuner.py
@@ -4,10 +4,11 @@ from autotune import PIDAutotuneState, PIDAutotune
 
 
 class PIDAutoTuner(QObject):
-    def __init__(self, parent, client, num_of_channel):
+    def __init__(self, parent, client, thermostat, num_of_channel):
         super().__init__()
 
         self._client = client
+        self._thermostat = thermostat
         self.autotuners = [PIDAutotune(25) for _ in range(num_of_channel)]
         self.target_temp = [20.0 for _ in range(num_of_channel)]
         self.test_current = [1.0 for _ in range(num_of_channel)]
@@ -37,7 +38,7 @@ class PIDAutoTuner(QObject):
 
     async def stop_pid_from_running(self, ch):
         self.autotuners[ch].setOff()
-        await self._client.set_param("pwm", ch, "i_set", 0)
+        await self.thermostat.set_param("pwm", ch, "i_set", 0)
 
     @asyncSlot(list)
     async def tick(self, report):
@@ -56,21 +57,21 @@ class PIDAutoTuner(QObject):
                     self.autotuners[ch].run(
                         channel_report["temperature"], channel_report["time"]
                     )
-                    await self._client.set_param(
+                    await self.thermostat.set_param(
                         "pwm", ch, "i_set", self.autotuners[ch].output()
                     )
                 case PIDAutotuneState.STATE_SUCCEEDED:
                     kp, ki, kd = self.autotuners[ch].get_tec_pid()
                     self.autotuners[ch].setOff()
 
-                    await self._client.set_param("pid", ch, "kp", kp)
-                    await self._client.set_param("pid", ch, "ki", ki)
-                    await self._client.set_param("pid", ch, "kd", kd)
-                    await self._client.set_param("pwm", ch, "pid")
+                    await self.thermostat.set_param("pid", ch, "kp", kp)
+                    await self.thermostat.set_param("pid", ch, "ki", ki)
+                    await self.thermostat.set_param("pid", ch, "kd", kd)
+                    await self.thermostat.set_param("pwm", ch, "pid")
 
-                    await self._client.set_param(
+                    await self.thermostat.set_param(
                         "pid", ch, "target", self.target_temp[ch]
                     )
                 case PIDAutotuneState.STATE_FAILED:
                     self.autotuners[ch].setOff()
-                    await self._client.set_param("pwm", ch, "i_set", 0)
+                    await self.thermostat.set_param("pwm", ch, "i_set", 0)
diff --git a/pytec/pytec/gui/model/thermostat.py b/pytec/pytec/gui/model/thermostat.py
index 8fc123d..d6e6a8d 100644
--- a/pytec/pytec/gui/model/thermostat.py
+++ b/pytec/pytec/gui/model/thermostat.py
@@ -132,3 +132,6 @@ class Thermostat(QObject, metaclass=PropertyMeta):
 
     async def get_fan(self):
         return await self._client.get_fan()
+
+    async def set_param(self, topic, channel, field="", value=""):
+        await self._client.set_param(topic, channel, field, value)
diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index 0cf202d..4c59f39 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -85,7 +85,7 @@ class MainWindow(QtWidgets.QMainWindow):
 
         self.thermostat.connection_error.connect(handle_connection_error)
 
-        self.autotuners = PIDAutoTuner(self, self.client, 2)
+        self.autotuners = PIDAutoTuner(self, self.client, self.thermostat, 2)
 
         def get_ctrl_panel_config(args):
             with open(args.param_tree, "r") as f:
@@ -295,7 +295,7 @@ class MainWindow(QtWidgets.QMainWindow):
                     else:
                         set_param_args = (*thermostat_param, data)
                     param.child(*param.childPath(inner_param)).setOpts(lock=True)
-                    await self.client.set_param(*set_param_args)
+                    await self.thermostat.set_param(*set_param_args)
                     param.child(*param.childPath(inner_param)).setOpts(lock=False)
 
                 if inner_param.opts.get("pid_autotune", None) is not None:
@@ -313,7 +313,7 @@ class MainWindow(QtWidgets.QMainWindow):
                     if activater is not None:
                         if activater[1] == "ch":
                             activater[1] = ch
-                        await self.client.set_param(*activater)
+                        await self.thermostat.set_param(*activater)
 
     @asyncSlot()
     async def pid_auto_tune_request(self, ch=0):