Pyromaster© H33BDVRRN/P

General Venting Information - Termination Location

 

 

INSIDE

 

 

 

CORNER DETAIL

 

 

 

G

 

 

 

V

N

 

 

H

D

A

N

 

 

E

 

 

 

V

 

 

V

L

B

 

 

C

 

V

Fixed

 

 

Closed

F

V

Operable

 

 

 

B

B

V

B

 

B

 

V

Operable

Fixed

 

 

Closed

 

 

 

 

 

 

 

 

B

V

J

X

M

 

A I

V KX

G

G

A

V

V

V

CFM145a

VENT TERMINATION X AIR SUPPLY INLET

AREA WHERE TERMINAL IS NOT PERMITTED

 

 

 

Canadian Installations1

US Installations2

 

 

A = Clearance above grade, veranda, porch,

12 inches (30cm)

12 inches (30cm)

 

 

deck, or balcony

 

 

 

 

B = Clearance to window or door that may be

6 in (15cm) for appliances

6 in (15cm) for appliances

 

 

opened

< 10,000Btuh (3kW), 12 in (30cm)

< 10,000 Btuh (3kW), 9 in

 

 

 

for appliances > 10,000 Btuh (3kW) and

(23cm) for appliances > 10,000

 

 

 

< 100,000 Btuh (30kW), 36 inches (91cm)

Btuh (3kW) and < 50,000 Btuh

 

 

 

for appliances > 100,000 Btuh (30kW)

(15kW), 12 in (30cm) for

 

 

 

 

appliances > 50,000 Btuh (15kW)

 

C = Clearance to permanently closed window

12” (305mm) recommended to

12” (305mm) recommended to

 

 

 

prevent window condensation

prevent window condensation

 

D = Vertical clearance to ventilated soffit located

 

 

 

 

 

above the terminal within a horizontal

18” (458mm)

18” (458mm)

 

 

distance of 2 feet (610mm) from the center

 

 

 

 

 

line of the terminal

 

 

 

 

E = Clearance to unventilated soffit

12” (305mm)

12” (305mm)

 

F =

Clearance to outside corner

see next page

see next page

 

G = Clearance to inside corner (see next page)

see next page

see next page

 

H = Clearance to each inside of center line

3 feet (91cm) within a height of 15 feet

3 ft (91cm) within a height of 15ft

 

 

extended above meter/regulator assembly

above the meter/regulator assembly

above the meter/regulator assy

 

I =

Clearance to service regulator vent outlet

3 feet (91cm)

3 feet (91cm)

 

J =

Clearance to nonmechanical air supply inlet

6 inches (15cm) for appliances < 10,000

6 inches (15cm) for appliances

 

 

to building or the combustion air inlet to any

Btuh (3kW), 12 inches (30cm) for

< 10,000 Btuh (3kW), 9 inches

 

 

other appliances

appliances > 10,000 Btuh (3kW) and <

(23cm) for appliances > 10,000

 

 

 

100,000 Btuh (30kW), 36 inches (91cm)

Btuh (3kW) and < 50,000 Btuh

 

 

 

for appliances > 100,000 Btuh (30kW)

(15kW), 12 inches (30cm) for

 

 

 

 

appliances > 50,000 Btuh (15kW)

 

K = Clearance to a mechanical air supply inlet

6 feet (1.83m)

3 feet (91cm) above if within 10

 

 

 

 

feet (3m) horizontally

 

L =

Clearance above paved sidewalk or paved

7 feet (2.13m)†

7 feet (2.13m)†

 

 

driveway located on public property

 

 

 

 

M = Clearance under veranda, porch, deck or

12 inches (30cm)c

12 inches (30cm)†

 

 

balcony

 

 

 

N = Clearance above a roof shall extend a minimum of 24” (610mm) above the highest point when it passes through the roof surface, and any other obstruction within a horizontal distance of 18” (450mm).

1In accordance with the current CSA-B149 Installation Codes

2In accordance with the current ANSI Z223.1/NFPA 54 National Fuel Gas Codes

A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings a nd serves both dwellings

‡ only permitted if veranda, porch, deck or balcony is fully open on a minimum 2 sides beneath the floor: NOTE: 1. Local codes or regulations may require different clearances.

2.The special venting system used on CFM Harris Fireplaces are certified as part of the appliance, with clearances tested and approved by the listing agency.

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Vermont Casting H33BDVRRNP General Venting Information Termination Location, Canadian Installations1 US Installations2

H33BDVRRN, H33BDVRRNP specifications

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