Installation & Operation Manual
3 Sidewall direct venting (continued)
Vent/air termination – sidewall
Figure 3-1C Alternate Stainless Steel Sidewall Termination w/Field Supplied Fittings
NOTICE PVC/CPVC or ABS is acceptable air inlet pipe material.
Figure 3-2A Clearance to Gravity Air Inlets
12"
MIN.
VENT / AIR
TO BOILER INTAKE AIR CONNECTION
FROM BOILER VENT PIPE CONNECTION
12" (305 MM) MIN 15" (381 MM) MAX
TERMINATION
12" 
MIN.
12" 
MIN.
Figure | Inlets |
12" (305 MM) MIN
Table 3B Stainless Steel Sidewall Vent Kits
Model | Kit Number | Vent Size | |
1.0 - 1.5 | KIT30028 | 6 inch vent | |
(Stainless Steel) | |||
|
| ||
1.3 - 1.5 | KIT30029 | 7 inch vent | |
(Stainless Steel) | |||
|
|
5.Maintain clearances as shown in FIG.’s
a.Vent must terminate:
•At least 6 feet (1.8 m) from adjacent walls.
•No closer than 12 inches (305 mm) below roof overhang.
•At least 7 feet (2.1 m) above any public walkway.
•At least 3 feet (.9 m) above any forced air intake within 10 feet (3 m).
•No closer than 12 inches (305 mm) below or horizontally from any door or window or any other gravity air inlet.
b.Air inlet must terminate at least 12 inches (305 m) above grade or snow line; at least 12 inches (305 mm) below the vent termination; and the vent pipe must not extend more than 24 inches (610 mm) vertically outside the building as shown in FIG.’s
c.Do not terminate closer than 4 feet (1.2 m) horizontally from any electric meter, gas meter, regulator, relief valve, or other equipment. Never terminate above or below any of these within 4 feet (1.2 m) horizontally.
6.Locate terminations so they are not likely to be damaged by foreign objects, such as stones or balls, or subject to buildup of leaves or sediment.
w/Field Supplied Fittings |
12” (305 MM)
MIN
BIRD
SCREEN
(TYPICAL)
12” (305 MM)
MIN
12” (305 MM)
MIN
Figure 3-3A Clearance to Forced Air Inlets
IF LESS
THAN 10’
VENT / AIR | 36" | |
TERMINATION | ||
MIN. | ||
|
FORCED AIR
INLET
7' MIN. ABOVE ANY PUBLIC WALKWAY
23 