How much does this cost to the nearest dollar?

Lennox iComfort Wi-Fi Catalog# 10F81 Alternative - No Separate Zone Control or WiFi - Plug and Play!
Up for sale is a Lennox communicating thermostat. This model thermostat came out before the Lennox 10F81 iComfort Wi-Fi thermostat. The only difference between this thermostat and the 10F81 is that this thermostat does not have Wi-Fi and does not work with separate zone controls. If your current Lennox 10F81 has the option to switch between zones then this thermostat will not be a good fit for you. If you do not have separate zones though then you are all set to go! You just need to change the wall plate for your thermostat and then install the thermostat. You will be greeted with a setup application that is identical to that of the

Price is $500.00
Price: $499.99