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OUTDOOR INSTALLATIONS
Raypak Hi Delta Boilers are design certified for outdoor installation. Boilers must not be installed under an
overhang that is less than three (3) feet from the top of the boiler. Three (3) sides must be open in the area
under the overhang. Roof water drainage must be diverted away from boilers installed under overhangs.
TABLE 2
OUTDOOR INSTALLATION MINIMUM CLEARANCES
Boiler Size
Boiler Side 302-902
Rear 12"
Right 36”
Left 36"
Top Unobstructed
Vent N/A
These clearances required where the outdoor vent cap is used. If installing the boiler outdoors with a vent stack, the
indoor clearances may be used.
The air filter box can be installed on top of the boiler or the rear of the boiler.
For outdoor installations in snow prone areas, it is recommended that the filter kit be installed on to the rear of the boiler,
to prevent recirculation and blockage.
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SIDE VIEW FRONT VIEW
Fig # 9297