Sangamo are a UK manufacturer of time clocks/heating controls, thermostats, immersion controllers & programmers. The brand is also recognised for their Round Pattern Time Switches. CHPPR1 - Single Channel Programmer 24 Hour, 5/2 Day and 7 Day Programmable 2 or 3 ON/OFF Periods 1,2 or 3 Hour Boost Holiday Mode Pre-Programmed Schedule Ready for Use Summer/Winter Time Change Backlit Display Suitable for Pumped Systems With/without Service Interval Function 2A Switch Rating 240vAC Standard wall plate - simple plug in and replace Programmable service interval function Modes Available: On, Off, Auto, All Day Ingress Protection: IP30 Operating Temperature: 0°C to 40°C Dimensions: 140mm x 88.6mm x 32.1mm Material: ABS