Specifications

Installation (Venting) continued-

TABLE 2-VENT CONNECTOR LENGTHS FOR 4” (10.1 cm) DIAMETER PVC

Terminating # of 90° Elbows

(excluding vent

terminal)

Maximum

Length

Minimum

Length

Through the Wall 1 70 ft (21.5 m) 2 ft (.6 m)

Through the Wall 2 65 ft (20 m) 3 ft (.9 m)

Through the Wall 3 60 ft (18.5 m) 5 ft (1.5 m)

Through the Wall 4 55 ft (17 m) 8 ft (2.4 m)

Through the Wall 5 50 ft (15 m) 12 ft (3.5 m)

Through the Roof 1 70 ft (21.5 m) 2 ft (.6 m)

Through the Roof 2 65 ft (20 m) 3 ft (.9 m)

Through the Roof 3 60 ft (18.5 m) 5 ft (1.5 m)

Through the Roof 4 55 ft (17 m) 8 ft (2.4 m)

Through the Roof 5 50 ft (15 m) 12 ft (3.5 m)

NOTE: When using 4” (10.1 cm) PVC, use a 4” (10.1 cm) to 3” (7.6 cm)

reducer and exit the building wall with 3” (7.6 cm) PVC using the 3” (7.6

cm) 90° vent terminal supplied. Two 45° elbows are equivalent to one 90°

elbow.

Figure 2