Product Description This Heat Only Thermostat has low voltage controls with a snap-action switch for heating systems. It comes with mounting hardware (wall plate included) and does not require leveling. This manual thermostat controls heating in your home simply and effectively. From the Manufacturer For straight-forward temperature control, there's no substitute for Honeywell Home non-digital thermostats. Non-digital thermostats control heating and cooling in your home simply and effectively. Aesthetically pleasing and simple to use, Honeywell Home non-digital thermostats have been the industry standard for over 50 years. For accurate control and quality that's built to last chose from several Honeywell Home designs