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SERIES 28HE BOILER INSTALLATION AND OPERATION INSTRUCTIONS
WARNING: Failure to maintain minimum
clearances between vent connectors and any
combustible material can result in a fire causing
extensive property damage, severe personal
injury or death!
COMMON VENT SYSTEMS
If an existing boiler is removed from a common venting
system, the common venting system may then be too
large for the proper venting of the remaining appliances
connected to it. At the time of removal of an existing
boiler, the following steps shall be followed with each
appliance remaining connected to the common venting
system placed in operation, while the other appliances
remaining connected to the common venting system are
not in operation.
Au moment du retrait d'une chaudière existante, les
mesures suivantes doivent être prises pour chaque
appareil toujours raccordé au système d'évacuation
commun et qui fonctionne alors que d'autres appareils
toujours raccordés au système d'évacuation ne
fonctionnent pas: système d'évacuation
a) Seal any unused openings in the common venting
system.
Sceller toutes les ouvertures non utilisées du
système d'évacuation.
b) Visually inspect the venting system for proper size
and horizontal pitch and determine there is no
blockage or restriction, leakage, corrosion and other
deficiencies which could cause an unsafe condition.
Inspecter de façon visuelle le système d'évacuation
pour déterminer la grosser et l'inclinaison
horizontale qui conviennent et s'assurer que le
système est exempt d'obstruction, d'étranglement
de fruite, de corrosion et autres défaillances qui
pourraient présenter des risques.
VENT CONNECTIONS
WARNING: Never modify or alter any part of the
boiler’s smoke hood. This includes the removal
or alteration of any baffles. Never install a vent
pipe of a diameter different than that of the
boiler smoke hood outlet. Failure to comply with
this warning can result in severe personal injury
or death.
Locate the boiler as close to the chimney as possible.
Use the shortest, straightest vent connector possible for
the installation. If horizontal runs exceed 5 ft,
1.5 m
they
must be supported at 3 ft,
0.9 m
intervals with overhead
hangers. Use a single wall stainless or single wall
galvanized steel vent pipe the same diameter as the flue
collar to connect the boiler to a masonry chimney. When
using an approved metal chimney system use the
appropriate vent connector. The vent connector should
be sloped up toward the chimney at a minimum rate of
1/4 in/ft,
2 cm/m
. On masonry chimneys the connector
must terminate flush with the inside of the chimney flue.
Fasten each single wall vent connection with at least 3
corrosion resistant sheet metal screws.
The vent materials used in positive pressure vent
systems must be certified to UL 1738 for installations
in the United States, ULS636 for installations in Canada.
The following manufactures have systems that meet
these requirements:
Heat-Fab, Inc.
38 Hayward Street
Greenfield, MA 01301, (800) 772-0739.
Z-Flex U.S., Inc.
20 Commerce Park
North, Bedford, NH 03110-6911, (800) 654-5600.
Protech Systems Inc.
26 Gansevoort Street
Albany, NY 12202 (518) 463-7284
WARNING: Breeching under positive pressure
must be certified to UL 1738 for installations in
the United States, ULS636 for installations in
Canada. Type B1 vent SHALL NOT be used.
Failure to comply with this warning can result
in severe personal injury or death.
Always provide a minimum clearance of 6 inches
between single wall metal vent pipe and all combustible
materials.