Installation Guide

DANGER

Drilling holes in the vent

components is NOT permitted.

JOINT PROCEDURE

(see illustration #1 and images 1, 2 & 3 below)

The female end of each Z-Vent III component incorporates a silicone sealing gasket. Examine all components to insure that

gasket integrity has remained during shipping. Gaskets must be in the proper position or flue gases could leak resulting in carbon

monoxide poisoning.

1. Align pipes and push them together as far as they will go (to

indent or at least 1.75 inches).

2. Tighten gear clamp to a minimum torque of 40 in/lbs. and a

maximum of 50 in/lbs. Over tightening will cause seal to

fail. DO NOT use power tools when tightening gear

clamps

3. Proper pipe orientation is essential to achieve effective

condensate flow. In most cases the use of a flue collar

adaptor is required to connect directly to the appliance. This

adaptor will configure the vent orientation with the gasket end

of pipe and fittings towards termination.

NOTE: Some flue collars may require the use of high

temperature silicone sealant to make a positive

pressure gas tight seal.

IMAGES 1, 2, & 3

CLEARANCE TO COMBUSTIBLES

SIDE WALL VENTING INSTALLATION

(see illustration #2 and images 4 & 5 below)

1. Penetrating a combustible wall requires the use of a wall thimble. The pipe may be mortared in directly without using a

wall thimble, if the wall is non-combustible. Install wall thimble into wall, observing the aforementioned rules and/or local

building codes. Select the point of wall penetration where the minimum ¼” per foot of slope (6.4 mm per 305 mm) can

be maintained. A framed opening is required to insert the thimble halves. The thimble is adjustable for different wall

thicknesses. Caulk around outside edge of plates as necessary and fasten to wall using suitable screws or nails. The vent

pipe must be sealed at wall thimble as per code regarding continuous vapor barrier.

SYSTEM OPERATING

TEMPERATURE

CLEARANCE

ENCLOSED

CLEARANCE

UNENCLOSED

HORIZONTAL VERTICAL HORIZONTAL VERTICAL

300°F (149°C)

8” (200 mm) 4”(100 mm) 1”(25 mm) 1” (25 mm)

480°F (249°C)

8”(200 mm) 4”(100 mm) 1” (25 mm) 1” (25 mm)