Product code: 491919
This Worcester Bosch programmer is compatible with Si/C1 Series and RD Series units. Also known as a clock, timer or time switch, the programmer allows the boiler's user to control when heating and/or hot water is turned on and off to maximise flexibility and comfort. To help you find the right parts for your jobs, go to the industry leading parts identification tool, PartsArena, giving you quick access to over 20,000 exploded diagrams, 10,000 images & 20,000 products. FREE to Wolseley trade account customers.