Installation guide
Index
4
Page
Direct Venting
(Two-pipe System)
Direct Venting Options (Two-pipe System) 40..............................................
Exhaust Vent/Air Intake Requirements 41.......................................................
Combustion air supply 41.......................................................................................
General requirements 42.........................................................................................
General Installation Information 43.....................................................................
Installation steps (outline) 43................................................................................
Vent termination location requirements
(for installations in Canada) 45
.............................................................................
Vent termination location requirements
(for installations in U.S.A.) 46
..............................................................................
Flashing and storm collar installation 46..........................................................
Vent Requirements - Stainless Steel 47...........................................................
Additional requirements for stainless steel vent pipe
material 47
.....................................................................................................................
Component Parts of the Venting System 51..................................................
Vent Requirements - CPVC 52.............................................................................
Additional requirements for UL/ULC-listed CPVC
vent pipe material 52................................................................................................
Vent Pipe Starter Adaptors 53..............................................................................
Side Wall Vent Termination (stainless steel or CPVC) 55.........................
Vent Length Requirements 56..............................................................................
Maximum vent/air intake pipe length - horizontal 56..................................
Maximum vent/air intake pipe length - vertical 57.......................................
Maximum vent/air intake pipe length - vertical / horizontal
(hybrid system) 59.....................................................................................................
Standard long sweep elbows (for CPVC pipe only) 60..............................
Maximum vent/air intake pipe length - stainless steel system
with plastic air intake pipe 61
...............................................................................
Maximum equivalent vent length - CPVC system 62.................................
5368 815 v2.0 b










