Ariston 65100541
Domestic Hot Water 3-Way Spring Kit
This part is based around the diverter valve section. The diverter valve is a part that only appears in Combi Boilers. It allows the hot water to be guided to the central heating system (Radiators etc) or to the domestic hot water system (Taps etc.)

This feature is what makes a Combi Boiler so popular due to the fact that a combi boiler wouldn't require a cylinder to provide heating and hot water.

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