diff --git a/src/octoprint/templates/dialogs/settings/serialconnection.jinja2 b/src/octoprint/templates/dialogs/settings/serialconnection.jinja2
index 11c3b559..2f4e00d0 100644
--- a/src/octoprint/templates/dialogs/settings/serialconnection.jinja2
+++ b/src/octoprint/templates/dialogs/settings/serialconnection.jinja2
@@ -22,7 +22,7 @@
         <label class="control-label" for="settings-serialTimeoutTemperature">{{ _('Temperature interval') }}</label>
         <div class="controls">
             <div class="input-append">
-                <input type="number" step="any" min="0" class="input-mini text-right" data-bind="value: serial_timeoutTemperature" id="settings-serialTimeoutTemperature">
+                <input type="number" step="any" min="1" class="input-mini text-right" data-bind="value: serial_timeoutTemperature" id="settings-serialTimeoutTemperature">
                 <span class="add-on">s</span>
             </div>
         </div>
diff --git a/src/octoprint/util/comm.py b/src/octoprint/util/comm.py
index 8dd69332..ddd6afc5 100644
--- a/src/octoprint/util/comm.py
+++ b/src/octoprint/util/comm.py
@@ -529,7 +529,7 @@ class MachineCom(object):
 
 				self.sendCommand("M24")
 
-				self._sd_status_timer = RepeatedTimer(lambda: get_interval("sdStatus"), self._poll_sd_status, run_first=True)
+				self._sd_status_timer = RepeatedTimer(lambda: get_interval("sdStatus", default_value=1.0), self._poll_sd_status, run_first=True)
 				self._sd_status_timer.start()
 			else:
 				line = self._getNext()
@@ -1181,7 +1181,7 @@ class MachineCom(object):
 
 	def _onConnected(self):
 		self._serial.timeout = settings().getFloat(["serial", "timeout", "communication"])
-		self._temperature_timer = RepeatedTimer(lambda: get_interval("temperature"), self._poll_temperature, run_first=True)
+		self._temperature_timer = RepeatedTimer(lambda: get_interval("temperature", default_value=4.0), self._poll_temperature, run_first=True)
 		self._temperature_timer.start()
 
 		self._changeState(self.STATE_OPERATIONAL)
@@ -1997,11 +1997,15 @@ def get_new_timeout(type):
 	return now + get_interval(type)
 
 
-def get_interval(type):
+def get_interval(type, default_value=0.0):
 	if type not in default_settings["serial"]["timeout"]:
-		return 0
+		return default_value
 	else:
-		return settings().getFloat(["serial", "timeout", type])
+		value = settings().getFloat(["serial", "timeout", type])
+		if not value:
+			return default_value
+		else:
+			return value
 
 _temp_command_regex = re.compile("^M(?P<command>104|109|140|190)(\s+T(?P<tool>\d+)|\s+S(?P<temperature>[-+]?\d*\.?\d*))+")