Venting
Vent Connectors
-When a vent connector must be located in or pass through an
-The minimum clearance to com- bustibles for single wall vent connec- tors shall be 6 inches.
-The minimum clearance to com- bustibles for Type B vent connectors shall be 1 inch or per vent manufactur- er’s instructions.
-The vent connector shall be installed in a manner to avoid excessive turns or other construction features that create excessive resistance to the flow of the vent gases.
-The vent connector should be installed in a manner without any dips or sags and should slope upward toward the vent or chimney at least 1/4 inch per 1 foot.
-The location of the appliance should be located as close to the vent or chimney to maintain the vent connector length as short as possible.
BEST PRACTICE
-The entire length of a vent connector shall be readily accessible for inspec- tion, cleaning and replacement.
-The diameter of the vent connector should not be upsized more than two sizes greater than the flue outlet diameter.
WARNING
The vent system must be designed and installed in compliance with all applica- ble codes. Failure to properly size and install the vent system could result in severe personal injury, death or substan- tial property damage.
Common Vent Systems
The ELITE may be vented into a common vent system using the guidelines and sizing Tables of the National Fuel Gas Code NFPA 54 ANSI Z223.1 latest edition.
The ELITE may also be vented into a common multi story vent using the guidelines and sizing Tables of the National Fuel Gas Code NFPA 54 ANSI Z223.1 latest edition.
The maximum horizontal length allow- able should not exceed 75% of the height of the vent or chimney assuming no off- sets in the vertical vent.
Dual Acting
Barometric
Damper
Fig. 14
Gas Fired Installations
Dual Acting |
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Barometric |
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Damper |
| Tee (drip leg) |
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| Bottom Cap. | Fig. 14A |
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