A single-function gas boiler

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A single-function gas boiler is used to heat heating circuits and a circuit for preparing liquid utility water , i.e. a boiler.

What is the difference between a single-function boiler and a dual-function boiler?

A single-function gas boiler differs from a dual-function boiler in that it is not equipped with an instantaneous water heater – in which domestic hot water is heated on an ongoing basis while water is being drawn, and there is no reserve waiting in the boiler.

How to recognize a single-function boiler?

A single-function boiler can only be used to heat a house, and if it is to prepare domestic hot water. then a boiler must be connected to it, a combi boiler is not connected to the boiler – because it prepares hot water on an ongoing basis in the internal instantaneous heater.

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The difference between a single-function and a dual-function boiler is the number of water connections.

The difference between a single-function and a dual-function boiler is the number of water connections. The double-function boiler has a cold water connection and a hot water outlet, while the single-function boiler has no hot water connection at all, and cold water is only used to supplement the radiator circuit.

Is a single-function boiler cheaper than a dual-function boiler or more expensive?

A single-function boiler, if there is no need for a boiler, may be cheaper than a double-function boiler because it has a simpler structure.

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