19
Rinnai Corporation RHFE-263FA
Ref Description Canadian Installations US Installations
A Clearance above grade, veranda, porch,
deck, or balcony 12 inches (30 cm) 12 inches (30 cm)
B Clearance to window or door that may be
opened 12 inches (30 cm) 9 inches (23 cm)
C Clearance to permanently closed window * *
* D
Vertical clearance to ventilated soffit,
located above the terminal within a
horizontal distance of 2 feet (61 cm) from
the center line of the terminal
*
E Clearance to unventilated soffit * *
F Clearance to outside corner * *
G Clearance to inside corner 20 inches (50 cm) 20 inches (50 cm)
H Clearance to each side of center line
extended above meter/regulator assembly
3 feet (91 cm) within a
height 15 feet (4.5 m)
above the meter/
regulator assembly
*
I Clearance to service regulator vent outlet 3 feet (91 cm) *
*
J
Clearance to nonmechanical air supply
inlet to building or the combustion air inlet
to any other appliance
12 inches (30 cm) 9 inches (23 cm)
K Clearance to a mechanical air supply inlet 6 feet (1.83 m)
3 feet (91 cm) above if
within 10 feet (3 m)
horizontally
L Clearance above paved sidewalk or
paved driveway located on public property 7 feet (2.13 m)
M Clearance under veranda, porch, deck, or
balcony
12 inches (30 cm) to
non-flammables
24 inches (60 cm) to
flammables
12 inches (30 cm) to
non-flammables
24 inches (60 cm) to
flammables
Flue Terminal Clearances 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.
For clearances not
specified in ANSI
Z223.1/NFPA 54 or CSA
B149.1, clearances are
in accordance with local
installation codes and
the requirements of the
gas supplier.
Clearance to opposite
wall is 24 inches (60 cm)
for Canada and US.