How to equip a chimney for a single-circuit gas boiler?
Hello! We plan to connect a two-story brick house with a basement to the gas pipeline.
We chose a single-circuit gas boiler with a closed combustion chamber (the boiler will be located in the basement). There was a problem with choosing a chimney. We would like to install a coaxial pipe, but the maximum distance along the outer wall of the house from the ground to the axis of the pipe is 30 cm.
Are there any ways to install a coaxial pipe in this situation? Or should we consider other options? Thank you in advance for your answers.
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Good afternoon, Alexander. It is forbidden to install below 20 cm. Vividly demonstrated in Figure 1.
Small height has the main risk - this is a clogged pipe. It is because of this that it is recommended to install a coaxial chimney at a height of 1.5 meters and above ground level. In your case, it will be relevant to further consider two more options (both are shown in the picture).