As the range of indirect systems consists of products with various output ranges and capacities, these water heaters are suited to several configurations and systems:
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District heating
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Renewable energy – Solar water heater systems
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Central heating boiler for space heating and warm water production
By connecting a central heating system to an ST storage tank and plate heat exchanger, the central heating boiler not only provides space heating, but also contributes to the hot water production.
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Storage for gas-fired or electric water heater
Naturally, one can add a storage tank to a gas-fired or electric water heater, in order to buffer warm water for expected peak usage.