Flexible Vent System; Two Pipe Vent Support - Dunkirk DCC-150 COMBI Manuel D'installation, D'utilisation Et D'entretien

Example for Natalini venting system. For other venting system suppliers see their instructions.
• Take Natalini dual flue spring clamp with the larger hole in it and place it onto
the male end of the pipe.
• Slide clamp all the way down the pipe with the smaller opening of the clamp
towards the female end of the pipe.
• Bend the clamp over the female end of pipe "A" and slide the male end of pipe "B"
through the clamp and into the female end of pipe "A".
Note:
This clamp is needed for Natalini dual flue pipe.
Note:
The dual flue spring clamp is for indoor use only and should
not be used in an outdoor application.

Flexible Vent System

Maximum vent lengths based on straight equivalent runs only.
L MAX - Ø 80 mm
Natalini Duravent
75.44 ft / 23.00 m 82.00 ft /

Two Pipe Vent Support

All venting must be supported every 3.28 ft (1.00 m) using steel strapping or equivalent.
A: steel strapping or equivalent
A
Note:
Ensure that the vent is sloped towards the boiler approximately 0.79 in for every 3.28 ft / 2.00 cm for every 1.00 m.
45° bend 0.82 ft / 0.25 m
90° bend 1.64 ft / 0.50 m
WARNING
DO NOT USE CELLULAR CORE PIPE
ONLY 3 in / 80 mm PIPES ARE PERMITTED
When using venting material other than the boiler manufacturer's venting, note the correct installation procedure.
(*) accessories supplied by the boiler's manufacturer
Centrotherm
25.00 m 52.48 ft / 16.00 m
22 240011373, Rev. G [03/31/2017]