Dinak. Dinagas CLV+. 0BG. Concentric modular flue for the collective evacuation of individual boilers under positive pressure. Collective discharge of gas-tight individual C(10)2, C(10)3, C42P and C43P condensing boilers with a non-return valve. Materials: inner wall in AISI 316L and outer wall in galvanised steel (for indoor installation). The sealing of the system is guaranteed by a silicone seal on the inner and outer wall, resistant up to 200°C. Operating temperature up to 200°C with sealing ring (for condensation and/or positive pressure). Features: male-female connection with 40mm transition. Available diameters: from 80 mm to 250 mm. Floor kit. Kit for each floor where a boiler is connected to the collective flue.