Product code: 400337
This Worcester Bosch replacement control knob is suitable for Si/C1 Series, i Junior Series and RD Series boilers. Attached to a spindle on the boiler's control panel, a knob allows for manual control of the appliance's functions. 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.