Vent/ Air Termination - Sidewall - Smith XWH 150 Instruction Manual

VENT/ AIR TERMINATION - SIDEWALL

Figure 24. Alternate PVC/CPVC/SS Vent Termination -
Typical Stainless Steel Sidewall Termination of Air and
Vent Models 150 - 800 w/Field Supplied Fittings
NOTE: PVC/CPVC or ABS is acceptable air inlet pipe material.
Figure 25. Alternate PVC/CPVC/SS/ Polypropylene Sidewall
Termination Models 150 - 800 w/Field Supplied Fittings
5. Maintain clearances as shown in Figure's 22 thru 27, pages
24 and 25. Also maintain the following:
a. Vent must terminate:
• At least 6 feet from adjacent walls.
• No closer than 12 inches below roof overhang.
• At least 7 feet above any public walkway.
• At least 3 feet above any forced air intake within 10 feet.
• No closer than 12 inches below or horizontally from any
door or window or any other gravity air inlet.
b. Air inlet must terminate at least 12 inches above grade
or snow line; at least 12 inches below the vent termination;
and the vent pipe must not extend more than 24 inches
vertically outside the building as shown in Figure 23:
c. Do not terminate closer than 4 feet horizontally from
any electric meter, gas meter, regulator, T & P Relief Valve,
or other equipment. Never terminate above or below any of
these within 4 feet 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.
Figure 26. Clearance to Gravity Air Inlets
Figure 27. Alternate Clearance to Gravity Air Inlets w/Field
Supplied Fittings
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