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Barometric Pressure Relief Bypass Ducts
HVAC systems with 3 or more zones should be equipped with a pressure relief bypass duct to prevent pressure buildup that may damage the system. This duct is installed just ahead of the blower. It opens and redirects some of the airflow back into the blower intake when pressure builds up due to many dampers being closed.
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8 Inch Diameter Barometric Pressure Relief Bypass Duct Code: 3072A Price: $89.00 Quantity in Basket: none | |
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10 Inch Diameter Barometric Pressure Relief Bypass Duct Code: 3072B Price: $98.00 Quantity in Basket: none | |
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12 Inch Diameter Barometric Pressure Relief Bypass Duct Code: 3072C Price: $109.00 Quantity in Basket: none | |
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