Viessmann Flue gas header 2 boilers in series 120/150 250mm dia
A system consisting of five boilers, known as a flue gas cascade, is being installed. Specifically, the Vitodens 200-W with either 80 or 99 kW will be installed in series. The installation requires the following components: 1. Flue gas header. 2. End piece with condensate drain and trap. 3. Flue pipe connection with a diameter of 250 mm. 4. The maximum length of the flue pipe should not exceed 30 m.

Description
A system consisting of five boilers, known as a flue gas cascade, is being installed. Specifically, the Vitodens 200-W with either 80 or 99 kW will be installed in series. The installation requires the following components: 1. Flue gas header. 2. End piece with condensate drain and trap. 3. Flue pipe connection with a diameter of 250 mm. 4. The maximum length of the flue pipe should not exceed 30 m.












