Rinnai RHFE-431FA - Manual (Page 19)

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VENT TERMINATION CLEARANCES
INSIDE
CORNER DETAIL
FIXED
CLOSED
OPERABLE
FIXED
CLOSED
OPERABLE
B
B
B
A
J
B
M
C
F
B
B
E
D
L
G
A
H
K
I
X AIR SUPPLY INLET
V VENT TERMINAL
AREA WHERE
TERMINAL IS NOT
PERMITTED
REF DESCRIPTION Canadian Installations U.S. Installations
A
B
C
D
E
F
G
H
I
J
K
L
M
1 foot
3 feet above if within 10 feet
horizontally
3 feet within a height 15 feet above
the meter/regulator assembly
*
*
*
*
*
*
*
*
*
1 foot
1 foot
6 feet
7 feet
3 feet
*
*
*
*
*
** 6 inches for appliances 10,000
Btuh, 9 inches for appliances
10,000 Btuh and 50,000 Btuh, 12
inches for appliances 50,000 Btuh
6 inches for appliances 10,000
Btuh, 12 inches for appliances
10,000 Btuh and 100,000 Btuh, 36
inches for appliances 100,000 Btuh
6 inches for appliances 10,000
Btuh, 12 inches for appliances
10,000 Btuh and 100,000 Btuh, 36
inches for appliances 100,000 Btuh
** 6 inches for appliances 10,000
Btuh, 9 inches for appliances
10,000 Btuh and 50,000 Btuh, 12
inches for appliances 50,000 Btuh
Clearance above grade, veranda, porch, deck, or balcony
Clearance to window or door that may be opened
Clearance to permanently closed window
Vertical clearance to ventilated to soffit, eaves, or overhang
Clearance to unventilated soffit , eaves, or overhang
Clearance to outside corner
Clearance to inside corner
Clearance to each side of center line extended above
meter/regulator assembly
Clearance to service regulator vent outlet
Clearance to nonmechanical air supply inlet to building or
the combustion air inlet to any other appliance
Clearance to a forced air inlet into a building
Clearance above paved sidewalk or paved driveway located
on public property
Clearance under deck, veranda, porch, or balcony (open on
3 sides)
* For clearances not specified in ANSI Z223.1 / NFPA 54 or CAN/CGA-B149, use clearances in accordance with local installation codes and the
requirement 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.
Permanent only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
** 4 feet for units other than Direct-Vent Appliance.