INDIANAPOLIS — Jackson Systems LLC has announced its new patent pending Barometric Zone Damper™ (BZD), which the company says eliminates the need for a costly and time consuming bypass damper ...
The patent-pending Barometric Zone Damper™ (BZD) works like any standard damper with one exception: It has a built-in barometric relief mechanism that eliminates the need for a bypass damper, said the ...
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