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Installing the water heater.
12
attic workspace.
The solar collector should be mounted on the roof in
accordance with these general principles:
4.3.1 The most important structural consideration is
to securely anchor the solar collector and the Rheem
mounting hardware to the structural members of the
roof with stainless steel hanger or lag bolts. The solar
collector must be attached to the mounting hardware as
detailed in Figures 5–12. (Note: The drawings in this
manual detail mounting hardware for the Rheem series
collector.)
4.3.2 The collector must be raised from the roof
surface to allow for rainwater and debris to pass under
the collectors and for proper ventilation of the roong
material. There should be at least 3" of clearance
between the roof surface and the bottom of the solar
collectors.
4.3.3 In selecting mounting hardware and fasteners
it is extremely important to avoid galvanic corrosion
resulting from the direct contact of incompatible
metals. Use of Rheem anodized aluminum Rheem
mounting hardware and stainless steel lag or
hanger bolts, lock washers and round washers is
recommended. In climates subject to severe winters or
high humidity use of galvanized fasteners is prohibited.
4.3.4 Preserving the integrity of the roof membrane
is the most important roong consideration. Ensure
fig.6
SHINGLE ROOF MOUNTING