PG80MSU: Installation, Start-up, Operating and Service and Maintenance Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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A03208
Fig. 28 – Upflow Application-Vent Elbow Up
A03209
Fig. 29 – Upflow Application-Vent Elbow Right
A03213
Fig. 30 – Horizontal Left Application-Vent Elbow Left
A03214
Fig. 31 – Horizontal Right Application-Vent Elbow Right
A03207
Fig. 32 – Downflow Application-Vent Elbow Left then Up
A03215
Fig. 33 – Horizontal Left Application-Vent Elbow Up
See NOTES following images.
Venting Notes for
-
1. For common vent, vent connector sizing and vent material: United
States--use the NFGC.
2. Immediately increase to 5-inch (127 mm) or 6-inch (152 mm) vent
connector outside furnace casing when 5-inch (127 mm) vent
connector is required, refer to Note 1 above.
3. Side outlet vent for upflow and downflow installations must use
Type B vent immediately after exiting the furnace, except when
factory-authorized, Downflow Vent Guard Kit, is used in the
downflow position. See Product Data for accessory listing.
4. Type-B vent where required, refer to Note 1 above.
5. Four-inch single-wall (26 ga. min.) vent must be used inside
furnace casing and when the Downflow Vent Guard Kit is used
external to the furnace. See Product Data for accessory listing.
6. Factory-authorized accessory Downflow Vent Guard Kit required
in downflow installations with lower vent configuration. See
Product Data accessory listing.
7. Secure vent connector to furnace elbow with (2) corrosion-resistant
sheet metal screws, spaced approximately 180° apart.
8. Secure all other single wall vent connector joints with (3) corrosion
resistant screws spaced approximately 120° apart.
9. Secure Type-B vent connectors per vent connector manufacturer’s
recommendations.
