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Installation (contd.) | 15 |
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INDOOR INSTALLATION (USA ONLY) OUTDOOR SHELTER INSTALLATION (CANADA)
All products of combustion and vent gases must be completely removed to the outside atmosphere through a vent pipe which is connected to the draft hood. A vent pipe extension of the same size must be connected to the draft hood and extended at least 2 feet higher than highest point of the roof within a 10 foot horizontal radius, and at least 3 ft. higher than the point at which it passes through the roof, or as permitted by local code; see Figures 15 and 16. The vent should terminate with an approved vent cap (weather cap) for protection against rain or blockage by snow.
Installations in basements, garages, or underground structures where flammable liquids may be stored must have the heater elevated 18 inches from the floor using a
| Side | Front | Back | Top |
Water Connection | 18 in. | 24 in. |
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Remaining | 6 in. |
| 6 in. |
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Ceiling Clearance |
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| 36 in.* |
*To ceiling or roof. |
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The draft hood must be installed so as to be in the same atmospheric pressure zone as the combustion air inlet to the pool heater. The certified (factory) draft hood must not be modified in any way and must be employed in every indoor installation.
The heater must be located as close as practical to
Ridge
More Than10 ft.
10 ft.
2 ft. min.
Roof
Jack
Height above any roof surface within 10 ft. horizontally
Vent Cap
3 ft. min.
a chimney or gas vent. The heater should be installed at least 5 feet away from the pool or spa.
The heater must be placed in a suitable room on a
Rev. B
Chimney
Figure 15.
Vent Cap and Riser Furnished by Installer
* Rise | Air Supply |
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| Ventilation |
Air Supply
* 1” Rise Per FootGas Combustion
Recommended
Figure 16.
P/N 472128