Bradford White PDX2-75T6FSX - Manual (Page 19)

19
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)
(2) 90  Elbows with (1) 90 Elbow 8 90 ft (27.5 m)