The TRTS Thermorail Timer is a digital touch screen timer ideal for controlling Thermorails. With the TRTS Thermorail Timer you have the ability to program each day individually or 7 days the same or program week days to one schedule and weekends different. This timer has 4 switching times (2on/2off) per day and is simple to program with large easy to read characters. TRTSD dual relay timer available on request. The TRTS Thermorail Timer features a large touchscreen display and easy-to-read characters making it extremely easy for all to use. Installing the TRTS ensures you always have warm and dry towels when you need them. The TRTS also has the most features and represents outstanding value for money.