DV TERMINATION SAFETY COVER

A Safey cover (see Figure 13) is available to prevent accidental contact with the vent terminal. Contact your Customer Service Department for ordering information.

FIGURE 13

VENT CONNECTIONS

After the location for the vent terminal has been selected as outlined in Figures 3, 4 & 12, use the following illustrations for installation:

FIGURE 14

LOCATING CLEARANCE HOLE FOR VENT

Cut a clearance hole, approximately 178mm (7 in.) in diameter, through the exterior wall for the vent assembly. The recommended distance, measured from the hole center to bottom of water heater, is 1.72m (68 in.) for 40 gal. models and 1.93m (76 in.) for 50 gal., 50 gal. Hi-Input and 75 gal. models. The maximum distance recommended is 2.03m (80 in.) or in compliance with Figure 16.

Where the wall is combustible and the wall thickness is over 356mm (14 in.), 25mm (1 in.) clearance to combustible materials around the vent terminal is needed. The first 356mm (14 in.) is zero clearance.

7 in. (178mm )

DIAMETER

(SEE TEXT)

BOTTOM OF HEATER

FIGURE 15

HIGH RISE VENT ARRANGEMENT

When the height H (From vent terminal center line to bottom of heater) is over 80 in. (2.03m), it is a high rise vent arrangement. In this case the minimum distance “D” from the center of the water heater to the outside wall surface is 560mm (22 in.), and the maximum height of “H” is 3.66m (12 ft.).

D

 

 

10 in.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(254mm)

 

 

 

 

(REF)

 

 

 

 

 

 

H

WALL THICKNESS

TO BOTTOM

OF HEATER

FIGURE 16

15

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A.O. Smith GDVT-50, GDV-50, GDV-75, GDV-40 DV Termination Safety Cover, Vent Connections, Locating Clearance Hole for Vent

186589-004, GDVT-50, GDV-75, GDV-40, GDV-50 specifications

A.O. Smith is a recognized name in the water heating industry, known for its reliable and efficient water heaters. Among its notable products are the GDV-50, GDV-40, GDV-75, GDVT-50, and 186589-004 models. These water heaters offer enhanced performance, energy efficiency, and modern technologies suited for residential and commercial applications.

The GDV series includes the GDV-50, GDV-40, and GDV-75 models, which feature a robust design typically made from high-quality materials to ensure longevity. These units come equipped with advanced insulation, which minimizes heat loss and increases efficiency, making them excellent choices for households with varying hot water needs.

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For larger households, the GDV-75 provides a 75-gallon capacity, ensuring that even the most demanding hot water applications can be met with ease. This model is particularly ideal for families that require hot water in large quantities or at peak times.

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The A.O. Smith 186589-004 is an accessory designed for specific model enhancements that improve overall performance and safety. It may include additional safety features, such as high-temperature limit switches and automatic shut-off mechanisms that provide peace of mind for users.

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