Raypak 302-902 Installation And Operating Instructions Manual page 33

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Horizontal Thru-wall Direct Vent Termination
The flue exhaust direct vent cap MUST be mounted on the exterior of the building. The direct vent cap cannot be installed in
a well or below grade. The direct vent cap must be installed at least one (1) foot above ground level and above normal snow
levels. The Raypak supplied flue exhaust direct vent cap must be utilized.
WARNING: No substitutions of flue pipe or vent cap material are allowed. Such substitutions would jeopardize the
safety and health of inhabitants.
The Stainless Steel direct vent cap must be furnished by the boiler manufacturer in accordance with its
listing.
Use only the special gas vent pipes listed for use with category III gas burning heaters, such as the stainless steel Saf-T vent
by Heat Fab Inc. (413-744-2356). Pipe joints must be positively sealed. Follow carefully the vent manufacturers installation
instructions.
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