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Storage Tank Vaillant VIH R 150/B — indirect hot water cylinder 150 L
Vaillant VIH R 150/B is an indirect hot water cylinder with a nominal capacity of 150 liters designed for integration with external boilers or other heat sources. The cylinder provides domestic hot water storage and stratified heat exchange, allowing efficient layering of temperature for stable supply. Built for residential heating systems that require a dedicated DHW cylinder, it supports connection to central heating circuits and ensures stored water is available for taps and showers when needed.
The tank offers a 150 L capacity suitable for small to medium households, with indirect heating that enables compatibility with a variety of boilers, heat pumps or solar thermal systems. Stratified heat exchange improves recovery times and helps maintain a more uniform hot water supply. The cylinder construction focuses on thermal efficiency and reliable integration into existing heating systems, reducing cycling of the heat source and optimising system performance.
Connect the storage tank to an appropriate external heat source such as a boiler, heat pump or solar thermal system according to local installation regulations and the system design. Ensure hydraulic connections for supply, return and domestic hot water outlets are made by a qualified installer. Commission the cylinder by filling the system, venting air from the circuit and following the heating system manufacturer’s procedures for initial heating and temperature settings. Regularly monitor operating pressures and temperatures within the heating circuit to maintain safe and efficient performance.
For optimal performance, match the tank capacity and heat exchanger configuration to the building’s hot water demand and the chosen heat source output. Schedule periodic inspections of connections, safety devices and insulation, and follow local regulations for water treatment and corrosion protection to extend service life.
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