Drolet GTX-I manual Vent terminal locations

3.3.4.6 Vent terminal locations

Figure 7

A= clearances above grade, veranda, porch, deck, or balcony [* 12" (305 mm) minimum]

B= clearance to window or door that may be opened [* 12" (305 mm) minimum]

C= clearance to permanently closed window [minimum 12" (305 mm) recommended to prevent condensation on window]

D= vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 24" (610 mm) from the centre-line of the terminal 23" (584 mm) minimum

E= clearance to unventilated soffit 23" (584 mm) minimum

F= clearance to outside corner = 0" (0 mm)

G= clearance to inside corner = 0" (0mm) to non-combustibles, or 8" (203mm) to combustibles

H= * not to be installed above a meter/regulator assembly within 36" (914 mm) horizontally from the centre-line of the regulator

I= clearance to service regulator vent outlet [* 72" (1829 mm) minimum]

J= clearance to non-mechanical air supply inlet to building or the combustion air inlet to any other appliance [* 12" (305 mm) minimum]

K= clearance to a mechanical air supply inlet [* 72" (1829 mm) minimum]

L= clearance above paved side-walk or a paved driveway located on public property [* 84" (2134

mm)minimum]

M= clearance under veranda, porch, deck, or balcony [* 12" (305 mm) minimum ]

￿a vent shall not terminate directly above a side-walk or paved driveway which is located between two single family dwellings and serves both dwellings*

￿only permitted if veranda, porch, deck, or balcony is fully open on a minimum of 2 sides beneath the floor*

*as specified in CGA B149 Installation Code (1991) NOTE: local codes or regulations may specify different clearances

*follow ANSI Z223.1 for U.S.A.

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