Vent Terminal

Air Supply Inlet

Area where terminal is not permitted

 

VENT TERMINAL CLEARANCES

 

 

REFERENCE LETTER TO

CANADIAN INSTALLAT

 

DRAWING

 

 

A = Clearance above grade, veranda,

12 Inches (30 cm)

 

porch, deck, or balcony

 

 

B = Clearance to window or door that

12 Inches (30 cm)

 

may be opened

 

 

 

 

 

C = Clearance to permanently closed

12 Inches (30 cm)

 

window

 

 

 

 

 

D = Vertical clearance to ventilated

18 Inches (46 cm)

 

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

24 Inches (61 cm)

 

F = Clearance to outside corner

12 Inches (30 cm)

 

G = Clearance to inside corner

12 Inches (30 cm)

 

H = Clearance to each side of center

3 Feet (91 cm) within a height

 

line extended above meter/ regulator

15 Feet (4.5m) above the meter/

assembly

assembly

 

I = Clearance to service regulator vent

3 Feet (91 cm)

 

outlet

 

 

 

 

 

J = Clearance to nonmechanical air

12 Inches (30 cm)

 

supply inlet to building or the

 

 

combustion air inlet to any other

 

 

appliance

 

 

K = Clearance to a mechanical air

6 Feet (1.83 m)

 

supply inlet

 

 

L = Clearance above paved sidewalk or

7 Feet (2.13m) A vent shall not t

paved driveway located on public

directly above a sidewalk or pav

property

driveway that is located betwee

 

single family dwellings and serve

 

dwellings.

 

M = Clearance under veranda, porch,

12 Inches (30 cm) permitted only

deck, or balcony

veranda, porch, deck, or balcon

 

open on a minimum of two sides

 

 

 

¹ In accordance with the current CSA-B149.1 Natural Gas and Propa

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Louisville Tin and Stove DVCF557B-R, DVCF654B-R, DVCF404B-R, DVCF653B-R, DVCF558B-R, DVCF403B-R Vent Terminal Clearances

DVCF557B-R, DVCF653B-R, DVCF654B-R, DVCF403B-R, DVCF408B-R specifications

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