Reznor VZ - Page 28

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VZ-VZH-VZT-IOM (08-24) 1047121-A
NSTALLATION—CONTINUED
Vent Connections—Continued
Vertical Venting—Continued
VENT CAP
STORM COLLAR
ROOF FLASHING
24 INCHES
(MINIMUM)
TYPE B DOUBLE-WALL
4-INCH TYPE C
SINGLE-WALL
OR TYPE B
DOUBLE-WALL
HEATER
TEE OR ELBOW
ROOF
CLEANOUT CAP
VENT ADAPTER
OR B-TO-C ADAPTER
VENT ADAPTER
APPROVED THIMBLE
(IF APPLICABLE)
4-INCH SINGLE-WALL VENT PIPE
4-INCH SINGLE-WALL
VENT PIPE
ROOF
ROOF FLASHING
4-INCH VENT PIPE
4-INCH VENT CAP
24 INCHES
(MINIMUM)
Figure 19. Category I Vertical Venting (Unit Sizes 40 and 60)
Figure 20. Category III Vertical Venting (Unit Sizes 80–200)