Raypak Hi Delta 992B-1262B User Manual

Page 10

U.S. Installations

Canadian Installations

Clearance above grade, veranda, porch,
deck, or balcony

1 ft (30 cm)

Clearance to window or door that may be
opened

4 ft (1.2m) below or to side

of opening; 1 foot (30 cm)

above opening

3 ft (91 cm)

Clearance to permanently closed window

Vertical clearance to ventilated soffit located
above the terminal within a horizontal dis-
tance of 2 ft (61cm) from the centerline of the
terminal

5 ft (1.5m)

Clearance to unventilated soffit

Clearance to outside corner

Clearance to inside corner

6 ft (1.83m)

Clearance to each side of center line ex-
tended above meter/regulator assembly

3 ft (91 cm) within a height

15 ft above the me-

ter/regulator assembly

Clearance to service regulator vent outlet

6 ft (1.83m)

Clearance to non-mechanical air supply inlet
to building or the combustion air inlet to any
other appliance

4 ft (1.2m) below or to side

of opening; 1 ft (30 cm)

above opening

3 ft (91 cm)

Clearance to mechanical air supply inlet

3 ft (91 cm) above if within

10 ft (3m) horizontally

6 ft (1.83m)

Clearance above paved sidewalk or paved
driveway located on public property

7 ft (2.13m)

7 ft (2.13m) t

Clearance under veranda, porch, deck or
balcony

12 in. (30 cm) TT

In accordance with the current ANSI Z223.1/NFPA 54 National Fuel Gas Code

In accordance with the current CAN/CGA-B149 Installation Codes

Vent terminal shall not terminate directly above sidewalk or paved driveway located between 2 single family dwellings that serves
both dwellings

TT Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor and top of terminal and

underside of veranda, porch, deck or balcony is greater than 1 ft (30cm)

Clearances in accordance with local installation codes and the requirements of the gas supplier

Fig. 6: Minimum Clearances from Vent/Air Inlet Terminations – Indoor and Outdoor Installations

Table D: Vent/Air Inlet Termination Clearances