John Wood Noritz N-069M-DV - Manual (Page 41)

41
Vent Terminal
Clearance
A=
Above grade, veranda, porch, deck,
or balcony
B= Window or door that may be opened 12" (36")
C= Permanently closed window
D=
Vertical clearance to ventilated soffit
located above the terminal within a
horizontal distance of 2 feet from the
center of the terminal
*
E= Unventilated soffit *
F= Outside corner *
G= Inside corner *
H=
Each side of center line extended
above meter/regulator assembly 3' within a height 15' above
meter/regulator assembly
I= Service regulator vent outlet 3'
J=
Nonmechanical air supply inlet or
combustion air inlet to any other
appliance
12" (36")
K= Mechanical air supply inlet 3' above if within 10' (6')
L=
Above paved sidewalk or paved
driveway located on public property
Under veranda, porch, deck, or
balcony
(7' ***)
M=
()= indicates clearances required in Canada
*Maintain clearances in accordance with local installation codes and the requirements of the gas supplier
***A vent shall not terminate directly above a sidewalk or paved driveway that is located between two
single family dwellings and serves both dwellings.
****Permitted only if veranda,porch,deck,or balcony is fully open on a minimum of two sides beneath the floor.
* (12"- Canada Only****)
*
12" (12")
Air Supply Inlet
Area Where Terminal
is Not Permitted
Clearance Requirements from Vent Terminations to Building Openings
* All clearance requirements are in accordance with ANSI Z21.10.3a-2003 and the National Fuel Gas
Code, ANSI Z223.1.
SAR8192-2_035_045_E_J.p65 05.11.29, 9:01 PM Page 41 Adobe PageMaker 6.5J/PPC