Gas Fireplaces
Venting Arrangements - Horizontal
Terminations
This diagram shows allowable venting confi gurations using one 45°.
Note: Must use optional flue adapter (Part #
•Maintain clearances to combustibles.
•Horizontal vent must be supported every 3 feet.
•Firestops are required at each fl oor level and whenever passing through a wall.
A vent guard should be used whenever the termination is lower than the specifi ed minimum or as per local codes.
Note: FPI Direct Vent System (Flex) is only approved for horizontal terminations.
74
Gas Fireplaces
Horizontal Venting with One (1) 90° Elbow
Two 45° elbows = One 90° elbow
Option | V | H | Maximum total pipe: length, of | |
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| all sections, must not exceed | |
A) | 1’ Min. | 3’ Max. | ||
37 feet. | ||||
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B) | 2’ Min. | 6’ Max. | Total horizontal sections must | |
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| not exceed 17 feet. | |
C) | 3’ Min. | 9’ Max. | ||
Minimum of 1 foot between | ||||
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D) | 4’ Min. | 12’ Max. | 90° elbows is required. | |
E) | 5’ Min. | 15’ Max. |
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F) | 6’ Min. | 17’ Max. |
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