Specifications

30
c. Mount the vacuum relief valve into the tee and
fasten with a screw and nut in collar tabs. To
ensure proper operation, the gate must be level
across the pivot point and plumb. Refer to
vacuum relief valve manufacturer's instructions.
5. Install remainder of air intake, securing each joint
with at least three (3) sheet metal screws evenly
spaced.
6. Install air intake terminal. See Figure 19.
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7. Seal all external joints with weatherproof caulk.
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