Extension Bosch AZ FC-S80-1000 with a diameter of 80 mm for extending the chimney by 1000 mm. Designed for gas boilers with a closed combustion chamber Bosch, Buderus.
Extension Bosch AZ 409 with a diameter of 80 mm for extending the chimney by 500 mm. Designed for gas boilers with a closed combustion chamber Bosch, Buderus.
To remove carbon monoxide from condensing boilers and supply air to the boiler, we offer a FC-C60-500 coaxial extension, 500 mm long, 60/100 mm in diameter.
To remove carbon monoxide from condensing boilers and supply air to the boiler, we offer a Bosch FC-C60-2000 coaxial extension, 2000 mm long, 60/100 mm in diameter.