MODELS 962-1826
Locate and assemble as shown below. Secure with
screws supplied in envelope in carton.
Fig. # 8165.0
VENT PIPING
WARNING:
Indoor boilers require a drafthood that
must be connected to a vent pipe and properly vented
to the outside. Failure to follow this procedure can
cause fire or fatal carbon monoxide poisoning.
Vent piping the same size or larger than the
drafthood outlet is recommended, however, when the
total vent height is at least 10 ft. (drafthood relief
opening to vent terminal), the vent pipe size may be
reduced as specified in Chapter 10 of the latest edition
of the National Fuel Gas Code, ANSI Z223.1. As much
as possible avoid long horizontal runs of vent pipe and
too many elbows. If installation requires horizontal
non-vertical runs, the vent pipe must have a minimum
of 1/4 inch per foot rise and should be supported at not
more than 5 ft. intervals. Plumbers tape, criss-crossed,
will serve to space both horizontal and vertical piping.
Gas vents supported only by the flashing and extend-
ing above the roof more than 5 ft. should be securely
guyed or braced to withstand snow and wind loads. We
recommend the use of insulated vent pipe spacers
through the roof and walls.
For protection against rain or blockage by snow, the
vent pipe must terminate with a vent cap which com-
plies with the local codes or, in the absence of such
codes, to the latest edition of the National Fuel Gas
Code,
ANSI Z223.1.
The discharge opening must be a minimum of 2 ft.
vertically from the roof surface and at least 2 ft. higher
than any part of the building within 10 ft.
MODELS 514-824
Locate and assemble as shown below. Secure with
screws supplied in envelope in carton.
MODELS 2100-4001
These models have built-in drafthoods. For proper
operation, the drafthood outlet must be connected to
the venting system.
Fig. # 8167.0
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