12L Groupe d'arrivée d'eau sanitaire De Dietrich 7778838

For heating systems requiring a higher capacity, the 12L sanitary inlet group offers reliable control of the cold water supply to your boiler's hot water circuit. This assembly includes the necessary valves and fittings to manage water flow and pressure, compatible with systems using a 12-liter expansion vessel. A properly functioning inlet group is vital for stable hot water delivery and protecting the boiler from pressure fluctuations. This part is a direct replacement for worn or damaged units.