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43
Vertical Vent Installation
!
WARNING:
Follow the vent manufacturer’s installation
instructions since design might vary from
manufacturer to manufacturer. Improper vent
installation can result in death, personal injury,
product damage, and/or poor performance.
NOTICE:
Only Rheem-approved termination and parts should
be used during installation.
Install a fire stop plate at every penetration of a
floor or ceiling, whenever the vent is not running
through a fire-rated shaft.
Maintain the recommended air space clearance to
combustible materials and building insulation.
Cut a hole through the roof and interior ceiling to
accommodate the vent pipe.
Complete the vent pipe installation to the water
heater vent collar. If required, use high temperature
silicone sealant where the vent connector joins the
water heater.
Support vertical and horizontal runs as described
on page 36. Vertical supports are required every
4 ft. (1.2 m) along a vertical pipe route, after every
transition to vertical, and after every offset elbow.
NOTICE:
Free-standing vent pipe that penetrates a roof/
ceiling requires another means of support from a
second location.
Determine the vent terminal height and install
the vent pipe accordingly. Refer to “Vertical Vent
Terminal Location” on page 44 for clearance
requirements.
Install adequate flashing where the vent pipe
passes through the roof.
Venting
INSTALLATION INSTRUCTIONS
Hole
Through Roof
C
L
Hole
Through Ceiling
1
2
A, B, C, D
4
5
3
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