Marey GA30NG - NON-DIRECT VENTING CLEARANCES; US Clearance Requirements; Canadian Clearance Requirements

29
NON-DIRECT VENTING (SINGLE PIPE)
Figure 2-B
Other than direct vent terminal clearances
Clearance Descripon
US Installaons (1)
Canadia Installaons
(2)
A =
Clearance above grade, veranda, porch,
deck, or balcony
12 in (30 cm)
12 in (30 cm)
B =
Clearance to window or door that may
be opened
4  (1.2 m) below
or to side of
opening; 1  (300
mm) above
opening
36 in (91 cm)
C =
Clearance to permanently closed
window
*
*
D =
Vercal clearance to venlated sot
located avove the terminal within a
horizontal distance of 2  (61 cm) from
the center line of the teminal
*
*
E =
Clearance to unvenlated sot
*
*
F =
Clearance to outside corner
*
*
G =
Clearance to inside corner
*
*
H =
Clearance to each side of the center line
extended above meter/regulator
assembly
*
3  (91 cm) within a
height of 15 (4.6m)
I =
Clearance to service regulator vent
outlet
*
3  (91 cm)
J =
Clearance to non-mechanical air supply
inlet to building or the combuson air
inlet to any other appliance
4  (1.2 m) below
or to side of
opening; 1  (300
mm) above
opening
36 in (91 cm)
K =
Clearance to a mechanical air supply
inlet
3  (91 cm) above
if withdin 10  (3
6  (1.83 m)