Thank you for your question on the model 165F wall heater finish kit. The 165F is a finish kit for use when the model 171H rough-in housing was previously installed. The 165F does not contain a thermostat. You would need to purchase a line-voltage thermostat for a wall location or the model 83 integral thermostat to install into heater. Please contact the Technical Service Department at 800-637-1453 if you need further assistance.