Thomas & Betts LDAP 1200 warranty Roof or Building Overhang

FIGURE 18 - Horizontal Vent Terminal

NOTE: Read all measurements; drawing is not proportional.

*Follow the instructions in FIGURES 16B and 16C, pages 26 and 27, to join a double-wall vent terminal section to a single-wall vent run and to the vent cap.

Roof or Building Overhang

6” (152mm) minimum	Wall	3 ft (1M)
	12”	minimum
	( 305 mm)
			6 ft (1.8M) minimum
	Double-Wall* or Category III
	Terminal Vent Pipe		Reznor (Option CC1)
Vent Run			or Equivalent Vent Cap -
			note positions of vent cap
(Comply	Pitch flue pipe down toward		openings (shaded areas)
with Re-
quirements	outlet 1/4” per foot for con-
No. 1) & 2)	densate drainage. (NOTE: Slope
on page 25.)	applies to entire horizontal vent run.)

A clearance thimble is required when flue pipe extends through combustible materials. Follow the requirements of the thimble and/or the vent pipe manufacturer.

Parapet or Adjoining Building

FIGURE 19 - Vertical Vent Terminal

NOTE: Read all measurements; drawing is not proportional.

Building
Adjoiningor	6 ft (1.8M)
	minimum
Parapet	Double-Wall* or Category III
	Terminal Vent Pipe*
	Roof Flashing

6” (152mm) minimum

*Follow the instructions in FIGURES 16B and 16C, pages 26 and 27, to join a double- wall vent terminal section to a single-wall vent run and to the vent cap.

Reznor (Option CC1) or equivalent vent cap

Vertical flue extension must be 6” (152mm) higher than anticipated snow depth but no less than 2 ft (610mm) above the roof.

Roof - pitched from

0 to 45°

A clearance thimble is required when flue pipe extends through combustible materials. Follow the requirements of the thimble and/or the vent pipe manufacturer.

Vent Pipe (Comply with Requirements No. 1) and 2) on page 25.)

Form RZ-NA-I-LDAP, P/N 207733 (Rev 2), Page 29