Product code: 489923
This part is based around the diverter valve section. The diverter valve is an instrument that only appears in combi boilers. It allows the hot water to be guided to the central heating system (radiators, etc.) or to the DHW system (taps, etc.). This feature is what seperates a normal boiler from a combi boiler due to the diverter valve allowing use of hot water and heating without the need for a cylinder.