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BRADFORD WHITE CORP.

 

 

 

 

 

 

 

 

 

 

U.S. Installations (see note 1)

Canadian Installations (see note 2)

A=

Clearance above grade, veranda, porch,

12 inches (30 cm)

12 inches (30 cm)

 

deck, or balcony

 

 

B=

Clearance to window or door that may be

4 feet (1.2 m) below or to side of opening;

36 inches (91 cm)

 

opened

1 foot (30 cm) above opening

 

C=

Clearance to permanently closed window

See note 4

See note 5

D=

Vertical clearance to ventilated soffit located

 

 

 

above the terminal within a horizontal

See note 4

See note 5

 

distance of 2 feet (61cm) from the center

 

 

 

line of the terminal

 

 

E=

Clearance to unventilated soffit

See note 4

See note 5

F=

Clearance to outside corner

See note 4

See note 5

G=

Clearance to inside corner

See note 4

See note 5

H=

Clearance to each side of center line

 

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

 

extended above meter/regulator assembly

See note 4

the meter/regulator assembly

I=

Clearance to service regulator vent outlet

See note 4

3 feet (91 cm)

J=

Clearance to nonmechanical air supply inlet

 

 

 

to building or the combustion air inlet to

4 feet (1.2 m) below or to side of opening;

36 inches (91 cm)

 

any other appliance

1 foot (30 cm) above opening

 

K=

Clearance to a mechanical air supply inlet

3 feet (91 cm) above if within 10 feet (3 m)

6 feet (1.83 m)

 

 

horizontally

 

 

 

 

Vent termination not allowed in this location

L=

 

Vent termination not allowed in this location

for category IV appliances. A vent shall not

Clearance above paved sidewalk or paved

for category IV appliances. For Category III

terminate directly above a sidewalk or paved

 

driveway located on public property

appliances, vent must terminate at least 7

driveway that is located between two single

 

 

feet (2.13m) above the sidewalk or driveway.

family dwellings and serves both dwellings.

 

 

 

For Category III appliances that do not violate

 

 

 

the previous condition, vent must terminate

 

 

 

at least 7 feet (2.13m) above the sidewalk or

 

 

 

driveway.

M=

Clearance under veranda, porch, deck,

See note 4

12 inches (30 cm) (see note 3)

 

or balcony

 

 

Notes:

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

2.In accordance with the current CSA-B149.1 Installation Codes.

3.Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.

4.For clearances not specified in ANSI Z223.1 / NFPA 54, clearance is in accordance with local installation codes and the requirements of the gas supplier.

5.For clearances not specified in CSA-B149.1, clearance is in accordance with local installation codes and the requirements of the gas supplier.

Figure 4. Combustion Air and Vent Through Side Wall.

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Image 10
Bradford-White Corp BMT2H, BMT2V, Hydronic Boiler, Water Volume Heater warranty Combustion Air and Vent Through Side Wall

BMT2H, BMT2V, Hydronic Boiler, Water Volume Heater specifications

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