The Barometric Zone Damper (BZD) works like any standard zone damper with one exception — it has a built-in static pressure relief mechanism that eliminates the need for a bypass damper. Unlike a ...
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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