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Vitodens Rigid and Flex Venting Systems Installation
Table of Contents
Page
General Flexible
Pipe Installation
..................................74
Exhaust vent installation steps.................................74
Recommended venting practice...............................75
Ceiling / roof opening..............................................75
Approved materials for two-pipe system...................76
Exhaust Vent Requirements
........................................77
Vent system suppliers.............................................77
Combustion Air Supply
...............................................78
Starter Adaptor
.........................................................79
Parallel Adaptor
........................................................80
Vent Requirements-Flex Vent System/Connector Pipes
....81
Additional requirements for UL/ULC-listed flexible
vent system / connector pipe vent material...............81
Exhaust vent/air intake connection to boiler..............81
Side Wall Air Intake Termination
.................................82
Vent Length Requirements
.........................................83
Maximum exhaust vent pipe length vertical and
air intake pipe length vertical...................................83
Maximum exhaust vent pipe length vertical and
air intake pipe length horizontal...............................84
Standard long sweep elbows (for CPVC / PVC / ABS
pipes air intake use only)........................................85
Combustion Air Supply
...............................................86
Adaptors
.................................................................88
Vent Length Requirements
.........................................88
Maximum vent pipe length - vertical.........................88
Component Installation Guide
.....................................89
Single pipe vent pipe starter adaptor installation
(if
required)...........................................................89
General Component Parts of the Flex Venting System
...90
General Information
Direct Venting
(Two-pipe System)
Single Pipe Venting
(Room Air Dependent)
Additional Information