59SU5A: Installation, Start-up, Operating and Service Maintenance Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
37
A11335
Representative drawing only, some models may vary.
HORIZONTAL RIGHT-RIGHT VENT CONFIGURATION
Fig. 52 – Horizontal Right (Appearance may vary)
See “Notes for Venting Options”
Notes for venting options
1. Attach vent pipe adapter with gasket to furnace casing.
2. Align notches in rubber coupling over standoffs on adapter. Slide
clamps over the coupling.
3. Slide vent pipe through adapter and coupling into vent elbow.
4. Insert vent pipe into vent elbow.
5. Torque all clamps 15 lb.-in.
6. Attach combustion air pipe adapter with gasket to furnace.
7. Attach combustion air pipe to adapter with silicone. Pilot drill a
1/8-in. hole in adapter and secure with a #7 x 1/2-in. sheet metal
screw.
Table 16 – Approved Combustion-Air and Vent Pipe, Fitting and Cement Materials
ALTERNATE
COMBUSTION
AIR CONNECTIONS
MATERIALS
USA
1. All pipe*, fittings*, primers**, and solvents** must conform to American National Standards Institute (ANSI) standards and
American Society for Testing and Materials (ASTM) standards
2. See Table below for approved materials for use in the U.S.A.
3. UL 1738 vent systems must be composed of pipe*, fittings**, cements, and primers** from the same supplier.
Material Description Type
ASTM / ULC / UL Specification
Pipe* Fittings* Solvents/Primers** Cements
PVC
Pressure Pipe Schedule 40 D1785 / UL 1738
DWV Schedule 40 D1785 / D2665 D2466
Cellular Core Schedule 40 F891 or F656 D2564
SDR 26 N/A D2241 D2665
SDR 21 N/A D2241
IPEX Schedule 40 ULC S636 ULC S636 ULC S636 ULC S636
Royal Pipe Schedule 40 ULC S636 ULC S636 ULC S636 ULC S636
ABS
ABS Schedule 40 D1527 D2468 Clear Cleaner For
ABS†
D2235
DWV-IPS Sizes Schedule 40 D2661 D2661
Cellular Core
DWV-IPS Sizes
Schedule 40 F628
CPVC
Pressure Pipe Schedule 40 F441 F438 F656 F493
SDR N/A F442 N/A
IPEX Schedule 40 ULC S636 ULC S636 ULC S636 ULC S636
Royal Pipe Schedule 40 ULC S636 ULC S636 ULC S636 ULC S636
* PVC and ABS pipe may use either DWV or pressure rated fittings.
** Colored or tinted solvents or primers must be used where required by code in the USA
† ABS plastic does not require a primer before solvent cementing. A cleaner for ABS is recommended to remove any surface residue. ABS cleaners are
not subject to ASTM standards.
Polypropylene Approved Manufacturer Solvents Primers Cements
Poly Pro® M & G Dura Vent Not Permitted
Innoflue® Centrotherm Not Permitted
NOTE: Polypropylene vent systems are UL−1738 and ULC S636 listed and assembled using mechanical fastening systems supplied by the vent
manufacturer.
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