UTICA BOILERS UB90-125 Installation, Operation & Maintenance Manual page 18

Table 7
Item
Exhaust
and/or
Intake
Air Pipe
and Fittings
Intake Air
ONLY
Pipe and Fittings
Pipe
Cement
And
Primer
Figure 14 - Combustion Air & Vent Piping
NOT REQUIRED WHEN USING PP
5' (1.5m)
Minimum
7 - COMBUSTION AIR AND VENT PIPE
- Combustion air and vent pipe fittings must conform with the
following:
Material
PVC
CPVC
Polypropylene (PP)
PVC
ABS
PVC
CPVC
ABS
NOT REQUIRED WHEN USING PP
USA Standard
UL1738
ULC S636
ASTM D1785
ASTM D2241
(Fittings) D2466
UL1738
ULC S636
F441
(Fittings) F439
UL1738
ULC S636
ASTM D2665
ASTM D3965
ASTM D2661
ULC S636 (Exhaust & Air Intake)
ULC S636
CSA B137.3 (Air Intake ONLY)
ASTM D2564
CSA B181.2 (Air Intake ONLY)
ULC S636 (Exhaust & Air Intake)
ULC S636
CSA B137.6 (Air Intake ONLY)
ASTM F493
CSA B181.2 (Air Intake ONLY)
ULC S636 (Exhaust & Air Intake)
ASTM D2235
CSA B181.1 (Air Intake ONLY)
18
Canadian Standard
(Pipe & Fittings)
ULC S636
(Pipe & Fittings)
ULC S636
(Pipe & Fittings)
ULC S636
(DWV) CSA B181.2
(SCH 40) CSA B137.3
CSA B181.1