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Electric Indirect Domestic Hot Water Cylinder Vaillant VIH R 120/6B 117 L (0010015943)
Vaillant VIH R 120/6B is an indirect domestic hot water cylinder with a usable storage capacity of 117 litres. Designed for connection to a central heating system or an external heat source such as a boiler or heat pump, this cylinder stores and supplies domestic hot water for residential applications. The unit is intended to stabilise hot water temperature and ensure improved availability for regular household consumption in apartments or houses with moderate hot water demand.
The cylinder provides reliable indirect heating through a heat exchanger connected to the primary heating circuit, allowing integration with existing boilers or renewable heat sources. Its vertical design minimises floor space requirements while offering a practical storage volume for typical household use. Thermal insulation reduces standby heat loss, helping maintain stored water temperature and reduce energy consumption associated with reheating. Constructed for domestic hot water supply, the unit is compatible with common plumbing connections and control systems used in residential installations.
Connect the cylinder to the primary heating circuit using the designated heat exchanger connections and to the domestic cold and hot water plumbing according to local regulations and the installation instructions provided by the manufacturer. Commission the system with appropriate controls and safety devices, including a temperature controller, pressure relief valve and expansion provisions on the primary and domestic sides. Set the temperature according to local codes and household needs, and verify the functionality of all safety and mixing devices before regular operation.
For efficient operation, follow the manufacturer's installation manual and have the cylinder fitted by a qualified heating engineer. Implement regular maintenance checks on fittings, controls and insulation integrity. Where legionella risk is a concern, ensure temperature settings and periodic disinfection procedures comply with applicable health guidance. Match the cylinder to the heating source capacity to avoid excessive recovery times and maintain intended hot water availability.
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