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Venting continued-
TABLE 4
3” (7.6 cm) PVC VENT CONNECTOR LENGTHS FROM INSIDE WALL FOR
LOW GROUND CLEARANCE INSTALLATIONS
Terminating # of Elbows
(intake + exhaust)
Maximum # of
Feet of Straight
Pipe
(intake + exhaust)
(2) 90° Elbows with (1) 90°
Elbow
2 50 ft (15.2 m)
(2) 90° Elbows with (1) 90°
Elbow
3 45 ft (13.7 m)
(2) 90° Elbows with (1) 90°
Elbow
4 40 ft (12.2 m)
(2) 90° Elbows with (1) 90°
Elbow
5 35 ft (10.7 m)
(2) 90° Elbows with (1) 90°
Elbow
6 30 ft (9.1 m)
(2) 90° Elbows with (1) 90°
Elbow
7 25 ft (7.6 m)
(2) 90° Elbows with (1) 90°
Elbow
8 20 ft (6.1 m)
TABLE 5
4” (10.1 cm) VENT CONNECTOR LENGTHS FROM INSIDE WALL FOR
LOW GROUND CLEARANCE INSTALLATIONS
Terminating (Reduce 4” to 3”)
(Reduce 10.1 cm to 7.6 cm)
#of Elbows
(intake + exhaust)
Maximum # of
Feet of Straight
Pipe
(intake + exhaust)
(2) 90° Elbows with (1) 90°
Elbow
2 120 ft (36.6 m)
(2) 90° Elbows with (1) 90°
Elbow
3 115 ft (35.1 m)
(2) 90° Elbows with (1) 90°
Elbow
4 110 ft (33.5 m)
(2) 90° Elbows with (1) 90°
Elbow
5 105 ft (32.0 m)
(2) 90° Elbows with (1) 90°
Elbow
6 100 ft (30.5 m)
(2) 90° Elbows with (1) 90°
Elbow
7 95 ft (29.0 m)
INTERNET VERSION FOR REFERENCE ONLY