EPH 3 Zone Programmer

The EPH 3 Zone Programmer is a versatile and easy-to-use programmer that can be used to control up to 3 different zones in your central heating system. It offers 3 operating modes (24 hour, 5/2 day, or 7 day) and 3 separate on/off time periods per day, so you can customize your heating schedule to fit your needs. The programmer also features a boost function for when you need extra heat, a holiday mode, and an optional service interval reminder.