The Choice PR2n 2 channel programmer is designed for separate control of you heating and stored hot water. The heating and hot water programmes are independent of each other. This gives you the opportunity to save money and control you heating in the most energy saving manner possible.The programmer can be configured for 24 hour, 5/2 day or 7 day operation, and the flexibility of up to three on/off timings per day. Pre-programmed but can easily be changed to suit your particular lifestyle. Large and clear to read illuminated display. Attractive modern design that will suit all contemporary homes.Suitable for pumped and gravity fed systems. For fully pumped central heating systems using mid position valves, spring return valves or power open, power closed valves or Gravity hot water pumped heating systems with or without motorised valves fitted into the domestic hot water primary circuit. FEATURES, 24 hour, 5/2 day and 7 day selectable 2 or 3 ON/OFF periods selectable 1, 2 or 3 hour boost Advance to next programmed event Automatic Summer/Winter time change Standard wall plate - simple plug in and replace Pumped or gravity system selectable