A.O. Smith SDV All Installations, Cutting The Opening Through The Outside Wall, 40-50 Gal, 75 Gal

Models: SDV FDVT FDV

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40-50 Gal.

TABLE 2.

E DIMENSIONS

 

 

 

 

40-50 Gal.

75 Gal.

VENT KITS

 

MIN.

 

MAX.

MIN.

MAX.

 

 

 

 

 

 

 

 

 

900068-7-STD.

3-1/2

 

10

 

7/8

7-3/8

 

 

 

 

 

 

 

 

 

 

900124-6

 

10

 

 

15-1/2

 

7-3/8

12-7/8

 

 

 

 

 

 

 

 

 

 

900124-7

 

15-1/2

 

26-1/2

 

12-7/8

23-7/8

900124-8

 

26-1/2

 

48

 

23-7/8

45-3/8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*BTU’S in

 

 

 

 

 

 

*GAL.

 

1000’s

 

 

 

 

 

 

CAP.

 

NAT/L.P.

 

 

A

 

B

C

40

 

36/36

 

48-3/4

 

41-3/4

21

50

 

38/38

 

57-1/2

 

50-1/2

21

40

 

40/40

 

48-3/4

 

41-3/4

21

50

 

48/44

 

61

 

54

21

75

 

55 NAT.

 

63

 

54-3/4

26-1/4

*See models and rating plate attached to the water heater for specific model number and other detailed information.

75 Gal. WARNING

Be sure vent pipe is properly connected to prevent escape of dangerous flue gases which could cause deadly asphyxiation.

ALL INSTALLATIONS

For ease of assembly the installation of the various kit combinations has been broken into individual sections. The two steps below are common to all installations. Once these have been performed, you need only to refer to the type installation that pertains to you.

Installation Using Vent Kits:

 

1.

Standard Vent Kit

Page 8

2.

Optional Vertical Vent Kit

Page 10

 

with Standard Vent Kit

 

3.

Optional Horizontal Vent Kit

Page 13

4.

Optional Horizontal and

Page 15

 

Vertical Vent Kits

 

CUTTING THE OPENING THROUGH

THE OUTSIDE WALL

After thoroughly reading the “Locating the New Water Heater” section of this manual and you have chosen a suitable water heater installation site, use the chart below to determine dimensions for the opening in the wall.

Cut a 61/4” diameter hole completely through the outside wall.

WATER HEATER ATTITUDE

There is a certain amount of variance with regard to the direction the water heater faces.

Standing in front of the water heater (gas control facing you), set the 3” diameter elbow (slotted end) on the flue. This will give you a better understanding of the relation of the vent assembly to the opening in the wall and more importantly any possibly of interference of venting and water piping.

The direction of the water heater can now be made. Also consider the gas control valve to insure installation, lighting, and maintenance accessibility are retained.

STANDARD VENT KIT

INSTALLATION #1

*Each part is stamped with a part number.

FIGURE 14

The opening through the wall should be cut at this time. If it hasn’t been, refer back to that section.

1.Lock the elbow to the straight 3” flue pipe. Set this assembly in place on the end of the water heater’s flue collar.

FIGURE 15

2.Mark the flue collar at the slots in the elbow. Using a #22 drill bit, drill holes into the flue collar at the two slots and secure the elbow to the flue collar using the screws provided.

NOTE: Make sure elbow is properly aligned to opening in the outside wall.

FIGURE 16

3.Using the tube of sealant supplied, run an ample amount around the oval flare of the jacket.

FIGURE 13

FIGURE 17

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A.O. Smith SDV All Installations, Cutting The Opening Through The Outside Wall, Water Heater Attitude, 40-50 Gal, 75 Gal