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BRADFORD WHITE CORP.
Page 12
HORIZONTAL INTAKE AND EXHAUST PVC VENT TERMINAL KITS
2" PVC 3" PVC 4" PVC 6" PVC
SIZE
Standard Concentric Standard Concentric Standard Standard
CA006000 CA005900 239-44069-01
80 included optional optional optional n/a n/a
105 included optional optional optional n/a n/a
150 n/a n/a included optional n/a n/a
199/210 n/a n/a included optional n/a n/a
285 n/a n/a optional optional included n/a
399 n/a n/a n/a n/a included n/a
500 n/a n/a n/a n/a included n/a
600 n/a n/a n/a n/a included optional
750 n/a n/a n/a n/a n/a included
850 n/a n/a n/a n/a n/a included
Concentric vent terminal = 10 ft. pipe length.
Table 3a. PVC Vent Terminal Kits.
Method 1: Two permanent openings, one
commencing within 12" (300mm) of the top and one
commencing within 12" (300mm) of the bottom, of the
enclosure shall be provided. The openings shall
communicate directly, or by ducts, with the outdoors or
spaces that freely communicate with the outdoors.
When directly communicating with the outdoors, or
when communicating to the outdoors through vertical
ducts, each opening shall have a minimum free area of 1
square inch per 4000 Btu/hr (550 square mm/kW) of
total input rating of all equipment in the enclosure.
When communicating to the outdoors through
horizontal ducts, each opening shall have a minimum
free area of not less than 1 square inch per 2000 Btu/hr
(1100 square mm/kW) of total input rating of all
equipment in the enclosure.
Method 2: One permanent opening, commencing
within 12" (300mm) of the top of the enclosure, shall be
permitted. The opening shall directly communicate with
the outdoors or shall communicate through a vertical or
horizontal duct to the outdoors or spaces that directly
communicate with the outdoors and shall have a
minimum free area of 1 square inch per 3000 Btu/hr
(734 square mm/kW) of the total input rating of all
equipment located in the enclosure. This opening must
not be less than the sum of the areas of all vent
connectors in the confined space.
Other methods of introducing combustion and
ventilation air are acceptable, providing they conform to
the requirements in the applicable codes listed above.
In Canada, consult local building and safety codes or,
in absence of such requirements, follow CAN/CGA B149.
3.1.2 Ducted Combustion Air
The combustion air can be taken through the wall, or
through the roof. When taken from the wall, it must be
taken from out-of-doors by means of the horizontal wall
terminal, shown in Table(s) 3. See Table 2 to select the
appropriate diameter air pipe. When taken from the roof, a
field-supplied rain cap or an elbow arrangement must be
used to prevent entry of rain water (see Figure10).
Use ABS, PVC, CPVC or galvanized pipe for the
SECTION 3.
Venting and Combustion Air
3.1 Combustion Air
Brute Elite boilers and water heaters must have
provisions for combustion and ventilation air in
accordance with the applicable requirements for
Combustion Air Supply and Ventilation in the National
Fuel Gas Code, ANSI Z223 1; or in Canada, the Natural
Gas and Propane Installation Code, CSA B149.1. All
applicable provisions of local building codes must also
be adhered to.
A Brute Elite unit can take combustion air from
the space in which it is installed, or the combustion
air can be ducted directly to the unit. Ventilation air
must be provided in either case.
3.1.1 Combustion Air From Room
In the United States, the most common
requirements specify that the space shall communicate
with the outdoors in accordance with method 1 or 2,
which follow. Where ducts are used, they shall be of the
same cross-sectional area as the free area of the
openings to which they connect.
INSTALLATION STANDARDS
MATERIAL UNITED STATES CANADA
ABS ANSI/ASTM D1527
PVC, sch 40 ANSI/ASTM D1785 or D2665
Air pipe material must be chosen
CPVC, sch 40 ANSI/ASTM F441
based upon the intended application of the boiler.
Single wall galv. steel 26 gauge
Table 4. Required Combustion Air Pipe Material.
PRO TECH (FasNSeal) HEAT FAB (Saf-T-Vent) Z FLEX (Z-Vent)
SIZE Boiler Flue Intake Air Boiler Intermediate Flue Intake Air Boiler Flue Intake Air
Adapter Termination Termination Adapter Adapter Termination Termination Adapter Termination Termination
399-600 F303759
FSBS4 FSAIH04
KB285600 9454BUREZ-1*
9492
9414TERM 2SVSLA04
2SVSTP04
2SVSTEX0490
FSRC4(R.C) 303888 5400CI 2SVSRCX04
750-850
F303759
FSBS6
FSAIH04
(intake only)
303888 Table 3b. Approved Stainless Steel Terminations and Adapters.