13
6" (15.2 CM)
MINIMUM **
6" (15.2 CM)
MINIMUM **
6" (15.2 cm)
MINIMUM **
12" (30.5 cm)
MINIMUM ***
16" (40.6 cm)
MINIMUM **
19" (48.3 cm)
MINIMUM **
6" (15.2 CM)
MINIMUM ***
* 7' MIN. (1.2 m) ABOVE PUBLIC WALKWAYS
* 3' MIN. (.91 m) ABOVE AIR INTAKES WITHIN 10' (3.0 m) RADIUS
* 43-3/4" MIN. (1.11 m) FROM PAD (LOW NOX HEATERS)
* 50" MIN. (1.27 m) FROM PAD (ATMOSPHERIC HEATERS)
* 7' MIN. (1.2 m) ABOVE PUBLIC WALKWAYS
* 3' MIN. (.91 m) ABOVE AIR INTAKES WITHIN 10' (3.0 m) RADIUS
* 43-3/4" MIN. (1.11 m) FROM PAD (LOW NOX HEATERS)
* 50" MIN. (1.27 m) FROM PAD (ATMOSPHERIC HEATERS)
17" (43.2 cm)
MINIMUM **
21" (53.3 cm)
MINIMUM **
6" (15.2 cm)
MINIMUM ** ***
12" (30.5 cm)
MINIMUM ** ***
6" (15.2 cm)
MINIMUM
6" (15.2 cm)
MINIMUM
* 7' MIN. (1.2 m) ABOVE PUBLIC WALKWAYS
* 3' MIN. (.91 m) ABOVE AIR INTAKES WITHIN 10' (3.0 m) RADIUS
* 43-3/4" MIN. (1.11 m) FROM PAD (LOW NOX HEATERS)
* 50" MIN. (1.27 m) FROM PAD (ATMOSPHERIC HEATERS)
* 7' MIN. (1.2 m) ABOVE PUBLIC WALKWAYS
* 3' MIN. (.91 m) ABOVE AIR INTAKES WITHIN 10' (3.0 m) RADIUS
* 43-3/4" MIN. (1.11 m) FROM PAD (LOW NOX HEATERS)
* 50" MIN. (1.27 m) FROM PAD (ATMOSPHERIC HEATERS)
* USE VERTICAL VENT PIPE TO MEET MINIMUM HEIGHT REQUIREMENTS
** MUST BE 4' (1.2 m) AWAY FROM ANY WINDOW, DOOR, OR GRAVITY AIR INLET
*** RECOMMENDED SERVICE CLEARANCES IS 24" (61 cm) FROM THE FRONT OF THE HEATER TO A WALL;
18" (45.7 cm) FROM THE WATER SIDE TO A WALL
6" (15.2 CM)
MINIMUM **
6" (15.2 cm)
MINIMUM **
Figure 25. Outdoor Clearances, Vertical Venting
APPROVED
UNCONTROLLED DOCUMENT IF PRINTED