The unfortunate thing about your request, they have not spent alot of time and effort promoting or even advancing much on a line voltage thermostat. The only thing you have to remember when buying one is to make sure you get one with the same amperage rating. If you get one with a lower amperage rating it will continually fail you. There are ways to convert this to a 24 volt system by using a transformer a 90290 relay and then you could put a programmable stat on it. It would not take a lot of money to do so but it will be more than another line voltage thermostat. Let us know if you need any further assistance.