Rinnai Corporation RHFE-750ETR 17
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 * *
H Clearance to each side of center line
extended above meter/regulator assembly
3 feet (91 cm) within a
height 15 feet (4.57 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) 1 *
M Clearance under veranda, porch, deck, or
balcony 12 inches (30 cm) 2 *
Flue Terminal Clearances 1 A vent shall not
terminate directly above
a sidewalk or paved
driveway that is located
between two single
family dwellings and
serves both dwellings.
2 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.