Chimneys Serving Multiple Appliance
Negative pressure chimney calculation according to EN 13382-2 standard for condensing natural gas heating boilers.
Today, chimney calculations are made for Baymak, ECA and Ecodence brand wall-mounted condensing boilers. Other brands will be added when the chimney gas information is available.
In the calculation, it was calculated as a high pressure blown burner boiler, and it was taken as $\small P_W= 0$.