Installation / Operation Instruction Manual
Page 22
B
RADFORD
W
HITE
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
conned space.
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.
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,
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
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
303888
Figure 14. Approved Stainless Terminations and Adapters
HORIZONTAL INTAKE AND EXHAUST PVC VENT TERMINAL KITS
Size
2” PVC 3” PVC 4” PVC 6” PVC
Standard
Concentric
CA006000
Flush Mount
CA010100
Standard
CA005900
Concentric
239-44069-01
Flush Mount
CA010101
Standard
Flush Mount
CA010102
Standard
80
incl.
opt.
opt.
opt.
opt.
opt.
105
incl.
opt.
opt.
opt.
opt.
opt.
150
incl.
opt.
opt.
199/210
incl.
opt.
opt.
285
opt.
opt.
opt.
incl.
opt.
n/a
399
n/a
n/a
n/a
incl.
opt.
n/a
500
n/a
n/a
n/a
incl.
opt.
n/a
600
n/a
n/a
n/a
incl.
opt.
opt.
750
n/a
n/a
n/a
incl.
n/a
opt.
850
n/a
n/a
n/a
incl.
n/a
opt.
Concentric vent terminal = 10 ft. pipe length
incl.
incl.
opt.
opt.
opt.
opt.
HORIZONTAL INTAKE AND EXHAUST PVC VENT TERMINAL KITS
Size
2” PVC
3” PVC
4” PVC
6” PVC
Standard
Concentric
CA006000
Flush Mount
CA010100
Standard
CA005900
Concentric
239-44069-01
Flush Mount
CA010101
Standard
Flush Mount
CA010102
Standard
80
incl.
opt.
opt.
opt.
opt.
opt.
105
incl.
opt.
opt.
opt.
opt.
opt.
150
incl.
opt.
opt.
199/210
incl.
opt.
opt.
285
opt.
opt.
opt.
incl.
opt.
n/a
399
n/a
n/a
n/a
incl.
opt.
n/a
500
n/a
n/a
n/a
incl.
opt.
n/a
600
n/a
n/a
n/a
incl.
opt.
opt.
750
n/a
n/a
n/a
incl.
n/a
opt.
850
n/a
n/a
n/a
incl.
n/a
opt.
Concentric vent terminal = 10 ft. pipe length
incl.
incl.
opt.
opt.
opt.
opt.
Table 7. PVC Vent Terminal Kits
Figure 15. Required Combustion Air Pipe Material