NOTICE: All pipe, fittings, solvent cement, primers and procedures must conform to American National Standards Institute and American Society for Testing and Materials (ANSI/ASTM) standards.
Vent Pipe
From
Water Heater
Pipe Coupling
2' x 2' Sheet Metal Shieldon Brick or Masonry Walls
*Vent Terminal with 1/2" Mesh Protective Screen Inside
Outside of
Building Wall
Horizontal Vent Installation
Once the vent terminal location has been determined, make a hole through the exterior wall to accommodate the vent pipe. Vent pipe must exit exterior wall horizontally only.
Insert a small length of vent pipe through the wall and connect the coupling as shown to the left.
Place the 1/2" mesh metal screen inside the terminal fitting and connect it as shown to the vent pipe on the exterior of the building.
Complete the rest of the vent pipe installation to the water heater's vent connector fitting on the blower outlet.
If necessary support horizontal run as previously mentioned.
*FOR THE 60 GALLON MODELS ONLY a 90° vent termination must be used and must be at least 2" from the wall.
Insert 1/2" Mesh Protective Screen Inside Terminal Elbow
Short Piece of Vent Pipe
Vertical Vent Termination Location
The location of the vent terminal depends on the following minimum clearances and considerations (see illustration):
Minimum twelve (12) inches above roof.
Minimum twelve (12) inches above anticipated snow level.
Maximum
Min. 12" Above Roof |
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Min. 12" Above |
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Anticipated Snow |
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Level. |
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Max. 24" Above Roof |
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(Without Additional |
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Support) |
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Vent Pipe Through Roof
Four (4) feet from any gable, dormer or other roof structure with building interior access (i.e., vent, window, etc.).
Ten (10) feet from any forced air inlet to the building. Any fresh or
Vertical Vent Installation
Once the vent terminal location has been determined, make a hole through the roof and interior ceiling to accommodate the vent pipe.
Complete the vent pipe installation to the water heater's vent connector fitting on the blower outlet.
Support vertical or horizontal lengths as previously mentioned.
Install adequate flashing where the vent pipe passes through the roof.
Determine the vent terminal height and cut vent pipe accordingly. Refer to the above section for proper vent terminal height.
Connect vent elbow onto vertical pipe through roof.
Connect short piece of vent pipe (approximately 3" long) to elbow, then insert 1/2" mesh metal screen into terminal elbow and join it to the short piece of vent pipe.
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