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Clearances from Appliance
to Combustibles
305
505
Top of
6 inches
Heater
(152 mm)
Back of
0 (zero)
Heater
Front of
6 inches
Heater
(152 mm)
Sides of
2 inches
Heater
(51 mm)
Floor/
12 inches
Ground
(305 mm)
Vent
0 (zero)
* 4 inches (102 mm) for enclosed area; 1 inch (26 mm) for unenclosed area.
Every vent connection must be accessible for inspection, cleaning, and replacement.
The clearance for servicing is 24 inches in front of the water heater.
For closet installation: 305, 505: clearance is 6 inches (152 mm) from the front.
Attachment of the Water Heater
1. Identify the installation location and confirm that
the installation will meet all required clearances.
2. Securely attach the water heater to the wall using
any of the holes in the wall installation brackets
which are at the top and bottom of the water
heater. Ensure that the attachment strength is
sufficient to support the weight. Refer to the
weight of the water heater in the Specifications
section.
14
to Non-
Combustibles
305
705
505
12 inches
2 inches
(305 mm)
(51 mm)
0 (zero)
0 (zero)
24 inches
6 inches
(610 mm)
(152 mm)
2 inches
1/2 inch
(51 mm)
(13 mm)
12 inches
12 inches
(305 mm)
(305 mm)
4 inches * 0 (zero)
705: clearance is 24 inches (610 mm) from the front.
305, 505, 705 Indoor Manual
705
2 inches
(51 mm)
0 (zero)
to side
24 inches
(610 mm)
1/2 inch
(13 mm)
2 inches
(51 mm)
to floor/ground
0 (zero)
to top
to front
wall installation
brackets
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