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18
d. Install storm collar on air intake pipe
immediately above fl ashing. Apply Dow
Corning Silastic 732 RTV Sealant between
air intake pipe and storm collar to provide
weathertight seal.
e. All exposed air intake piping must be
constructed of corrosion resistant material such
as aluminum, stainless steel or PVC.
15. Seal all joints airtight, using silicone caulk or self-
adhesive aluminum tape.
16. Install Air Intake Terminal:
Vertical - Insert intake piping into intake terminal
collar. Secure terminal to intake piping and seal
joint with silicone caulk.