The Honeywell CT50K1002 standard heat only manual thermostat is a nonprogrammable mechanical thermostat designed specifically for heating systems. This product comes equipped with an integrated thermometer and is relatively simple to install. The design of this thermostat was intentional as it's incredibly easy to read and even easier to access. The swift installation process coupled with the unit's size adds a lot of versatility to a product that's already flexible. The CT50K1002 is compatible with gas fireplaces and furnace systems that utilize hot water, steam or gravity. If you're searching for a reliable and accessible thermostat that you wish to operate manually then Honeywell has the ideal product for you and your individual needs.