diff --git a/pythermostat/pythermostat/gui/view/net_settings_input_diag.py b/pythermostat/pythermostat/gui/view/net_settings_input_diag.py
new file mode 100644
index 0000000..1ef4f61
--- /dev/null
+++ b/pythermostat/pythermostat/gui/view/net_settings_input_diag.py
@@ -0,0 +1,36 @@
+from PyQt6 import QtWidgets
+from PyQt6.QtWidgets import QAbstractButton
+from PyQt6.QtCore import pyqtSignal, pyqtSlot
+
+
+class NetSettingsInputDiag(QtWidgets.QInputDialog):
+    set_ipv4_act = pyqtSignal(str)
+
+    def __init__(self, current_ipv4_settings):
+        super().__init__()
+        self.setWindowTitle("Network Settings")
+        self.setLabelText(
+            "Set the Thermostat's IPv4 address, netmask and gateway (optional)"
+        )
+        self.setTextValue(current_ipv4_settings)
+        self._new_ipv4 = ""
+
+        @pyqtSlot(str)
+        def set_ipv4(ipv4_settings):
+            self._new_ipv4 = ipv4_settings
+
+            sure = QtWidgets.QMessageBox(self)
+            sure.setWindowTitle("Set network?")
+            sure.setText(
+                f"Setting this as network and disconnecting:<br>{ipv4_settings}"
+            )
+
+            sure.buttonClicked.connect(self._emit_sig)
+            sure.show()
+
+        self.textValueSelected.connect(set_ipv4)
+        self.show()
+
+    @pyqtSlot(QAbstractButton)
+    def _emit_sig(self, _):
+        self.set_ipv4_act.emit(self._new_ipv4)
diff --git a/pythermostat/pythermostat/gui/view/thermostat_settings_menu.py b/pythermostat/pythermostat/gui/view/thermostat_settings_menu.py
new file mode 100644
index 0000000..09555e0
--- /dev/null
+++ b/pythermostat/pythermostat/gui/view/thermostat_settings_menu.py
@@ -0,0 +1,215 @@
+import logging
+from PyQt6 import QtWidgets, QtGui, QtCore
+from PyQt6.QtCore import pyqtSignal, pyqtSlot, QSignalBlocker
+from qasync import asyncSlot
+from pythermostat.gui.view.net_settings_input_diag import NetSettingsInputDiag
+from pythermostat.gui.model.thermostat import ThermostatConnectionState
+
+
+class ThermostatSettingsMenu(QtWidgets.QMenu):
+    def __init__(self, thermostat, info_box, style):
+        super().__init__()
+        self._thermostat = thermostat
+        self._info_box = info_box
+        self._style = style
+        self.setTitle("Thermostat settings")
+
+        self.hw_rev_data = dict()
+        self._thermostat.hw_rev_update.connect(self.hw_rev)
+        self._thermostat.connection_state_update.connect(
+            self.thermostat_state_change_handler
+        )
+
+        self.fan_group = QtWidgets.QWidget()
+        self.fan_group.setEnabled(False)
+        self.fan_group.setMinimumSize(QtCore.QSize(40, 0))
+        self.fan_layout = QtWidgets.QHBoxLayout(self.fan_group)
+        self.fan_layout.setSpacing(9)
+        self.fan_lbl = QtWidgets.QLabel(parent=self.fan_group)
+        self.fan_lbl.setMinimumSize(QtCore.QSize(40, 0))
+        self.fan_lbl.setMaximumSize(QtCore.QSize(40, 16777215))
+        self.fan_lbl.setBaseSize(QtCore.QSize(40, 0))
+        self.fan_layout.addWidget(self.fan_lbl)
+        self.fan_power_slider = QtWidgets.QSlider(parent=self.fan_group)
+        self.fan_power_slider.setMinimumSize(QtCore.QSize(200, 0))
+        self.fan_power_slider.setMaximumSize(QtCore.QSize(200, 16777215))
+        self.fan_power_slider.setBaseSize(QtCore.QSize(200, 0))
+        self.fan_power_slider.setRange(1, 100)
+        self.fan_power_slider.setOrientation(QtCore.Qt.Orientation.Horizontal)
+        self.fan_layout.addWidget(self.fan_power_slider)
+        self.fan_auto_box = QtWidgets.QCheckBox(parent=self.fan_group)
+        self.fan_auto_box.setMinimumSize(QtCore.QSize(70, 0))
+        self.fan_auto_box.setMaximumSize(QtCore.QSize(70, 16777215))
+        self.fan_layout.addWidget(self.fan_auto_box)
+        self.fan_pwm_warning = QtWidgets.QLabel(parent=self.fan_group)
+        self.fan_pwm_warning.setMinimumSize(QtCore.QSize(16, 0))
+        self.fan_layout.addWidget(self.fan_pwm_warning)
+
+        self.fan_power_slider.valueChanged.connect(self.fan_set_request)
+        self.fan_auto_box.stateChanged.connect(self.fan_auto_set_request)
+        self._thermostat.fan_update.connect(self.fan_update)
+
+        self.fan_lbl.setToolTip("Adjust the fan")
+        self.fan_lbl.setText("Fan:")
+        self.fan_auto_box.setText("Auto")
+
+        fan = QtWidgets.QWidgetAction(self)
+        fan.setDefaultWidget(self.fan_group)
+        self.addAction(fan)
+        self.fan = fan
+
+        self.actionReset = QtGui.QAction("Reset Thermostat", self)
+        self.actionReset.triggered.connect(self.reset_request)
+        self.addAction(self.actionReset)
+
+        self.actionEnter_DFU_Mode = QtGui.QAction("Enter DFU Mode", self)
+        self.actionEnter_DFU_Mode.triggered.connect(self.dfu_request)
+        self.addAction(self.actionEnter_DFU_Mode)
+
+        self.actionnet_settings_input_diag = QtGui.QAction("Set IPV4 Settings", self)
+        self.actionnet_settings_input_diag.triggered.connect(self.net_settings_request)
+        self.addAction(self.actionnet_settings_input_diag)
+
+        @asyncSlot(bool)
+        async def load(_):
+            await self._thermostat.load_cfg()
+
+            self._info_box.display_info_box(
+                "Config loaded", "All channel configs have been loaded from flash."
+            )
+
+        self.actionLoad_all_configs = QtGui.QAction("Load Config", self)
+        self.actionLoad_all_configs.triggered.connect(load)
+        self.addAction(self.actionLoad_all_configs)
+
+        @asyncSlot(bool)
+        async def save(_):
+            await self._thermostat.save_cfg()
+
+            self._info_box.display_info_box(
+                "Config saved", "All channel configs have been saved to flash."
+            )
+
+        self.actionSave_all_configs = QtGui.QAction("Save Config", self)
+        self.actionSave_all_configs.triggered.connect(save)
+        self.addAction(self.actionSave_all_configs)
+
+        def about_thermostat():
+            QtWidgets.QMessageBox.about(
+                self,
+                "About Thermostat",
+                f"""
+                <h1>Sinara 8451 Thermostat v{self.hw_rev_data['rev']['major']}.{self.hw_rev_data['rev']['minor']}</h1>
+
+                <br>
+
+                <h2>Settings:</h2>
+                Default fan curve:
+                    a = {self.hw_rev_data['settings']['fan_k_a']},
+                    b = {self.hw_rev_data['settings']['fan_k_b']},
+                    c = {self.hw_rev_data['settings']['fan_k_c']}
+                <br>
+                Fan PWM range:
+                    {self.hw_rev_data['settings']['min_fan_pwm']} \u2013 {self.hw_rev_data['settings']['max_fan_pwm']}
+                <br>
+                Fan PWM frequency: {self.hw_rev_data['settings']['fan_pwm_freq_hz']} Hz
+                <br>
+                Fan available: {self.hw_rev_data['settings']['fan_available']}
+                <br>
+                Fan PWM recommended: {self.hw_rev_data['settings']['fan_pwm_recommended']}
+                """,
+            )
+
+        self.actionAbout_Thermostat = QtGui.QAction("About Thermostat", self)
+        self.actionAbout_Thermostat.triggered.connect(about_thermostat)
+        self.addAction(self.actionAbout_Thermostat)
+
+    @pyqtSlot("QVariantMap")
+    def fan_update(self, fan_settings):
+        logging.debug(fan_settings)
+        if fan_settings is None:
+            return
+        with QSignalBlocker(self.fan_power_slider):
+            self.fan_power_slider.setValue(
+                fan_settings["fan_pwm"] or 100  # 0 = PWM off = full strength
+            )
+        with QSignalBlocker(self.fan_auto_box):
+            self.fan_auto_box.setChecked(fan_settings["auto_mode"])
+
+    def set_fan_pwm_warning(self):
+        if self.fan_power_slider.value() != 100:
+            pixmapi = getattr(QtWidgets.QStyle.StandardPixmap, "SP_MessageBoxWarning")
+            icon = self._style.standardIcon(pixmapi)
+            self.fan_pwm_warning.setPixmap(icon.pixmap(16, 16))
+            self.fan_pwm_warning.setToolTip(
+                "Throttling the fan (not recommended on this hardware rev)"
+            )
+        else:
+            self.fan_pwm_warning.setPixmap(QtGui.QPixmap())
+            self.fan_pwm_warning.setToolTip("")
+
+    @pyqtSlot(ThermostatConnectionState)
+    def thermostat_state_change_handler(self, state):
+        if state == ThermostatConnectionState.DISCONNECTED:
+            self.fan_pwm_warning.setPixmap(QtGui.QPixmap())
+            self.fan_pwm_warning.setToolTip("")
+
+    @pyqtSlot("QVariantMap")
+    def hw_rev(self, hw_rev):
+        self.hw_rev_data = hw_rev
+        self.fan_group.setEnabled(self.hw_rev_data["settings"]["fan_available"])
+
+    @asyncSlot(int)
+    async def fan_set_request(self, value):
+        assert self._thermostat.connected()
+
+        if self.fan_auto_box.isChecked():
+            with QSignalBlocker(self.fan_auto_box):
+                self.fan_auto_box.setChecked(False)
+        await self._thermostat.set_fan(value)
+        if not self.hw_rev_data["settings"]["fan_pwm_recommended"]:
+            self.set_fan_pwm_warning()
+
+    @asyncSlot(int)
+    async def fan_auto_set_request(self, enabled):
+        assert self._thermostat.connected()
+
+        if enabled:
+            await self._thermostat.set_fan("auto")
+            self.fan_update(await self._thermostat.get_fan())
+        else:
+            await self.thermostat.set_fan(
+                self.fan_power_slider.value()
+            )
+
+    @asyncSlot(bool)
+    async def reset_request(self, _):
+        assert self._thermostat.connected()
+
+        await self._thermostat.reset()
+        await self._thermostat.end_session()
+        self._thermostat.connection_state = ThermostatConnectionState.DISCONNECTED
+
+    @asyncSlot(bool)
+    async def dfu_request(self, _):
+        assert self._thermostat.connected()
+
+        await self._thermostat.dfu()
+        await self._thermostat.end_session()
+        self._thermostat.connection_state = ThermostatConnectionState.DISCONNECTED
+
+    @asyncSlot(bool)
+    async def net_settings_request(self, _):
+        assert self._thermostat.connected()
+
+        ipv4 = await self._thermostat.get_ipv4()
+        self.net_settings_input_diag = NetSettingsInputDiag(ipv4["addr"])
+        self.net_settings_input_diag.set_ipv4_act.connect(self.set_net_settings_request)
+
+    @asyncSlot(str)
+    async def set_net_settings_request(self, ipv4_settings):
+        assert self._thermostat.connected()
+
+        await self._thermostat.set_ipv4(ipv4_settings)
+        await self._thermostat.end_session()
+        self._thermostat.connection_state = ThermostatConnectionState.DISCONNECTED
\ No newline at end of file
diff --git a/pythermostat/pythermostat/thermostat_qt.py b/pythermostat/pythermostat/thermostat_qt.py
index 21e458d..31be0a1 100755
--- a/pythermostat/pythermostat/thermostat_qt.py
+++ b/pythermostat/pythermostat/thermostat_qt.py
@@ -11,6 +11,7 @@ from qasync import asyncSlot, asyncClose
 from pythermostat.gui.model.thermostat import Thermostat, ThermostatConnectionState
 from pythermostat.gui.view.connection_details_menu import ConnectionDetailsMenu
 from pythermostat.gui.view.info_box import InfoBox
+from pythermostat.gui.view.thermostat_settings_menu import ThermostatSettingsMenu
 from pythermostat.gui.view.zero_limits_warning_view import ZeroLimitsWarningView
 
 
@@ -68,6 +69,11 @@ class MainWindow(QtWidgets.QMainWindow):
         )
         self.connect_btn.setMenu(self.connection_details_menu)
 
+        self._thermostat_settings_menu = ThermostatSettingsMenu(
+            self._thermostat, self._info_box, self.style()
+        )
+        self.thermostat_settings.setMenu(self._thermostat_settings_menu)
+
         # Status line
         self._zero_limits_warning_view = ZeroLimitsWarningView(
             self._thermostat, self.style(), self.limits_warning