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FLUEING ARRANGEMENTS - HORIZONTAL TERMINATIONS
or Masport Direct Vent (Flex) for Horizontal Terminations
The diagram shows all allowable combinations of vertical runs with horizontal terminations, using two 90
o
elbows (two
45
o
elbows equal one 90
o
elbow).
A flue guard should be used whenever the termination is lower than the specified minimum or as per local codes.
• Maintain a 40mm clearance to combustibles.
• Horizontal flue must be supported every 3 feet.
NOTE: Only the AstroCap (Part #: 946-578/P) and the Riser Flue (Part #: 556310) are approved for Horizontal
Termination installations.
Alternate
Horizontal
Termination
Caps
Alternate:
Horizontal Riser Vent
Terminal
Part # 556310
Notes:
1) Liner sections should be continuous without any
joints or seams.
2) Only Flex pipe purchased from Masport may be
used for Flex installations.
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