Termination locations, Warning, A. vent termination minimum clearances – Heatiator ADI60S User Manual

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Heatilator • ADI60S • 345-900 Rev. G • 9/08

8

Fire Risk.

Asphyxiation Risk.

• Terminations MUST meet minimum clearances.

• Exhaust gases are hot.

• Nearby vents may draw fumes into house.

A. Vent Termination Minimum Clearances

Figure 4.1 specifi es minimum vent heights for various
pitched roofs.

Roof Pitch

H (Min.) Ft.

Flat to 6/12...........................................................1.0*
Over 6/12 to 7/12 .................................................1.25*
Over 7/12 to 8/12 .................................................1.5*
Over 8/12 to 9/12 .................................................2.0*
Over 9/12 to 10/12 ...............................................2.5*
Over 10/12 to 11/12 .............................................3.25
Over 11/12 to 12/12 .............................................4.0
Over 12/12 to 14/12 .............................................5.0
Over 14/12 to 16/12 .............................................6.0
Over 16/12 to 18/12 .............................................7.0
Over 18/12 to 20/12 .............................................7.5
Over 20/12 to 21/12 .............................................8.0

Figure 4.1 Minimum height from roof to lowest discharge
opening

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4

Termination Locations

* 3 foot minimum in snow regions

WARNING

HORIZONTAL

OVERHANG

VERTICAL

WALL

GAS DIRECT VENT
TERMINATION CAP

12

X

ROOF PITCH

IS X/ 12

LOWEST

DISCHARGE

OPENING

2 FT.

MIN.

20 INCHES MIN.

H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING

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