INLET/OUTLET VENT TERMINATIONS

Standard Horizontal Termination

The standard horizontal air inlet termination is a 2 inch or 3 inch pipe which terminates at the exterior wall and utilizes a coupling to prevent the pipe from being pushed back into the structure. The standard horizontal exhaust outlet termination is a 2 inch or 3 inch pipe which termi- nates 12 inches from the outside wall (see figure 5). The air inlet must be located with respect to the exhaust outlet as shown in figure 5. To prevent potential condensate from collecting in the venting system slope the vent at a down- ward pitch of 1/8” per 5ft. away from the water heater.

Install the correct size coupling at the outside wall on both the inlet and exhaust to prevent the terminations from being pushed inward.

NOTE: A rodent screen is available through the Parts Department for installations where animals may be able to access the vent system.

FIGURE 5

Standard Horizontal Termination

Vertical Termination

The vertical inlet and exhaust outlet require a return bend or two medium or long sweep radius 90° elbows to keep the air inlet and exhaust outlet downward and prevent entry of rain. Do not include these elbows when calculat- ing the maximum allowable vent pipe because they have already been considered in the vent tables. Refer to figure 6 for the proper location of the air inlet with respect to the exhaust outlet termination. The vertical exhaust outlet termination is a 2 inch or 3 inch pipe which terminates at least 12 inches above the inlet air termination.

The air inlet and exhaust outlet terminations must be at least 12 inches above the roof line or anticipated snow levels. See figure 6.

NOTE: A rodent screen is available through the Parts Department for installations where animals may be able to access the vent system.

FIGURE 6

Vertical Vent Termination

Concentric Vent Terminations

Install 3” Concentric vent kit model KGAVT0601CVT, part number 6910543. See Manufacturer’s instructions for complete installation or call customer service at 1-800- 456-9805 for assistance. To prevent potential condensate from collecting in the venting system slope the vent at

a downward pitch of 1/8” per 5ft. away from the water heater.

FIGURE 7

Concentric Vent Termination

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American Water Heater 40-42K BTU INLET/OUTLET Vent Terminations, Standard Horizontal Termination, Vertical Termination

40-42K BTU, 50-60K BTU specifications

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