Vent connections

After the location for the vent terminal has been selected as outlined in Figure 3, use the following illustrations for instal- lation:

178mm (7 in.)

DIAMETER

MINIMUM

(SEE TEXT)

BOTTOM OF HEATER

Figure 3A - Locating Clearance Hole For Vent.

Cut a clearance hole, approximately 178mm (7 in.) in diam- eter, through the exterior wall for the vent assembly. The minimum height should not be less than 1.72m (68 in.) for 40 gal. models and not less than 1.93m (76 in.) for 50 gal. models, as measured from the hole center to bottom of water heater. The maximum height recommended is 2.28m (90 in.) or in compliance with Figure 3M.

*If the exterior wall is less than 356mm (14 in.) thick, the clearance from the vent to combustible materials within the hole can be 0mm (0 in.). If the wall thickness exceeds 356mm (14 in.), maintain a clearance of 25mm (1 in.) to combustible materials within the hole.

 

 

 

 

 

 

 

 

MAX. 2.28m

 

102mm

 

 

 

 

 

(4 in.)

 

 

 

 

 

 

(90 in.)

WALL

 

 

76mm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3 in.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

102mm

(4 in.)

Figure 3B - Moving Water Heater To Its Final Installed Location.

Move the water heater to its final installed location. Make certain clearances from combustible material are observed. The maximum distance from center of water heater to out-

SEALANT

Figure 3D - Securing Vent Termination Assembly To The Exterior Wall.

Introduce the 152mm (6 in.) pipe through the clearance hole from exterior wall then secure the vent terminal to the exte- rior wall with 4 screw anchors appropriate for the type of wall construction. Caulk the junction of the vent terminal base plate and the exterior wall with exterior type silicone sealant.

SPRING

REDUCER

H

Figure 3E - Uncompressing Corrugated Tubing.

1.Pull the 80mm (3-1/8 in.) corrugated pipe towards the water heater and leave some length over the water heater’s center for bending.

2.Pull the 152mm (6 in.) corrugated pipe toward the water heater and leave it 25mm (1 in.) shorter than 80mm (3- 1/8 in.) pipe.

3.Make sure there are two springs evenly spaced at the bend in the pipe.

4.Use metal hangers to keep vent pipe level or with a slope upward from the heater to terminal.

SPRINGCLAMP

side wall must not be more than 2.28m (90 in.).

Figure 3C - Vent Assembly.

The vent pipe and terminal are assembled by the manufac- turer as shown in Figure 3C. There are springs fastened inside the corrugated pipe. When the vent pipes are pulled to a required length, the distances between the springs will still be equally spaced.

Figure 3F

Bend the 80mm (3-1/8 in.) and 152mm (6 in.) corrugated pipe all together toward the water heater’s flue connection.

– 7 –

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GSW 61009 REV. C (09-03) manual Vent connections, Locating Clearance Hole For Vent
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61009 REV. C (09-03) specifications

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