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VENTING ARRANGEMENTS - HORIZONTAL TERMINATION
RIGID PIPE AND FPI DIRECT VENT SYSTEM (FLEX)
(Propane & Natural Gas)
The diagram shows all allowable combinations of vertical runs with horizontal terminations, using one 90
Note: Must use optional rigid pipe adaptor (Part # 510-994) when using Rigid Pipe venting systems.
•
Maintain clearances to combustibles.
•
Horizontal vent must be supported every 3 feet.
•
Firestops are required at each floor level and whenever passing through a wall.
elbow (two 45
o
Note: FPI Direct Vent Flex System Part
®
Regency
P36D-10 Zero Clearance Direct Vent Gas Fireplace
installation
elbows equal one 90
elbow).
o
o
All Rigid Pipe Systems
4" inner diameter
6-5/8" outer diameter
FPI Flex Vent
4" inner diameter
6-7/8" inner diameter
A vent guard should be used
whenever the termination is lower
than the specified minimum or as
per local codes.
#'s 946-515 and 946-516 are only
approved for horizontal terminations.
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